FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549 Report of Foreign Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For period ending March 27, 2008 GlaxoSmithKline plc (Name of registrant) 980 Great West Road, Brentford, Middlesex, TW8 9GS (Address of principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F Form 20-F x Form 40-F -- Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934. Yes No x -- ANNUAL INFORMATION UPDATE FOR GLAXOSMITHKLINE PLC FOR THE 12 MONTHS UP TO 27 MARCH 2008 In accordance with the requirements of Prospectus Rules PR 5.2.1R please find below an Annual Information Update for GlaxoSmithKline plc ("The Company"). The information referred to in this update was up to date at the time the information was published, but some information may now be out of date. To avoid an unnecessarily lengthy document the following are summaries of the information and documents published or made available to the public, by the Company throughout the twelve months ended 27 March 2008. 1. Announcements made via RNS, a Regulatory Information Service. The announcements listed below were published on the London Stock Exchange via RNS, a Regulatory Information Service and can be obtained from their website www.londonstockexchange.com or the Company's website www.gsk.com. Date Headline 26/03/2008 Transaction in own shares 26/03/2008 Director/PDMR Shareholding 25/03/2008 Transaction in own shares 20/03/2008 Transaction in own shares 19/03/2008 Annual Report and Accounts 19/03/2008 Transaction in Own Shares 18/03/2008 Transaction in Own Shares 17/03/2008 Transaction in Own Shares 17/03/2008 Transaction in Own Shares 14/03/2008 Transaction in Own Shares 13/03/2008 Transaction in Own Shares 12/03/2008 Transaction in Own Shares 12/03/2008 Director/PDMR Shareholding 11/03/2008 Transaction in Own Shares 10/03/2008 Transaction in Own Shares 10/03/2008 Director/PDMR Shareholding 07/03/2008 Transaction in Own Shares 07/03/2008 Transaction in Own Shares 05/03/2008 Transaction in Own Shares 04/03/2008 Transaction in Own Shares 03/03/2008 Transaction in Own Shares 03/03/2008 Total Voting Rights 29/02/2008 Transaction in Own Shares 28/02/2008 Annual Report and Accounts 28/02/2008 Transaction in Own Shares 27/02/2008 Transaction in Own Shares 26/02/2008 Director/PDMR Shareholding 26/02/2008 Transaction in Own Shares 25/02/2008 Director/PDMR Shareholding 25/02/2008 Transaction in Own Shares 22/02/2008 Transaction in Own Shares 21/02/2008 Director/PDMR Shareholding 21/02/2008 Director/PDMR Shareholding 21/02/2008 Director/PDMR Shareholding 21/02/2008 Director/PDMR Shareholding 21/02/2008 Transaction in Own Shares 20/02/2008 Director/PDMR Shareholding 20/02/2008 Transaction in Own Shares 20/02/2008 Director/PDMR Shareholding 20/02/2008 Director/PDMR Shareholding 19/02/2008 Director/PDMR Shareholding 19/02/2008 Transaction in Own Shares 18/02/2008 Director/PDMR Shareholding 18/02/2008 Transaction in Own Shares 15/02/2008 Transaction in Own Shares 14/02/2008 Director/PDMR Shareholding 14/02/2008 Director/PDMR Shareholding 14/02/2008 Transaction in Own Shares 13/02/2008 Transaction in Own Shares 12/02/2008 Director/PDMR Shareholding 12/02/2008 Director/PDMR Shareholding 12/02/2008 Transaction in Own Shares 12/02/2008 Transaction in Own Shares 08/02/2008 Director/PDMR Shareholding 07/02/2008 Final Results 04/02/2008 Director Declaration 01/02/2008 Total Voting Rights 28/01/2008 Director/PDMR Shareholding 23/01/2008 Director/PDMR Shareholding 17/01/2008 Director/PDMR Shareholding 17/01/2008 Director/PDMR Shareholding 17/01/2008 Director/PDMR Shareholding 16/01/2008 Director/PDMR Shareholding 16/01/2008 Director/PDMR Shareholding 16/01/2008 Director/PDMR Shareholding 15/01/2008 Director/PDMR Shareholding 14/01/2008 Director/PDMR Shareholding 14/01/2008 Director/PDMR Shareholding 14/01/2008 Director/PDMR Shareholding 14/01/2008 Director/PDMR Shareholding 11/01/2008 Director/PDMR Shareholding 03/01/2008 Director/PDMR Shareholding 03/01/2008 Director/PDMR Shareholding 02/01/2008 Director/PDMR Shareholding 02/01/2008 Director/PDMR Shareholding 02/01/2008 Total Voting Rights 19/12/2007 Director/PDMR Shareholding 18/12/2007 Holding(s) in Company 17/12/2007 CERVARIX -FDA Response Letter 17/12/2007 Director/PDMR Shareholding 14/12/2007 Tyverb -Positive EMEA Opinion 13/12/2007 Neuroscience Pipeline 13/12/2007 Transaction in Own Shares 12/12/2007 Director/PDMR Shareholding 12/12/2007 Transaction in Own Shares 11/12/2007 Transaction in Own Shares 10/12/2007 Transaction in Own Shares 07/12/2007 Board Committee Change 07/12/2007 Director/PDMR Shareholding 07/12/2007 Directorate Change 07/12/2007 Transaction in Own Shares 06/12/2007 Transaction in Own Shares 05/12/2007 Director/PDMR Shareholding 05/12/2007 Holding(s) in Company 05/12/2007 Transaction in Own Shares 04/12/2007 Director/PDMR Shareholding 04/12/2007 Holding(s) in Company 04/12/2007 Transaction in Own Shares 03/12/2007 Holding(s) in Company 03/12/2007 Total Voting Rights 03/12/2007 Transaction in Own Shares 30/11/2007 Director/PDMR Shareholding 30/11/2007 Transaction in Own Shares 29/11/2007 Transaction in Own Shares 28/11/2007 Director/PDMR Shareholding 28/11/2007 Transaction in Own Shares 27/11/2007 Transaction in Own Shares 26/11/2007 Holding(s) in Company 26/11/2007 Transaction in Own Shares 23/11/2007 Transaction in Own Shares 22/11/2007 Transaction in Own Shares 21/11/2007 Acquisition of Reliant Pharma 21/11/2007 Director/PDMR Shareholding 21/11/2007 Transaction in Own Shares 20/11/2007 Transaction in Own Shares 19/11/2007 Transaction in Own Shares 16/11/2007 Transaction in Own Shares-Amd 16/11/2007 Transaction in Own Shares 15/11/2007 Transaction in Own Shares 14/11/2007 Transaction in Own Shares 14/11/2007 US Labelling for Avandia 13/11/2007 Transaction in Own Shares 12/11/2007 Director/PDMR Shareholding 12/11/2007 Transaction in Own Shares 09/11/2007 Transaction in Own Shares 08/11/2007 Blocklisting Interim Review 08/11/2007 Transaction in Own Shares 07/11/2007 Transaction in Own Shares 06/11/2007 Transaction in Own Shares 06/11/2007 Transaction in Own Shares 05/11/2007 Transaction in Own Shares 02/11/2007 Additional Listing 02/11/2007 Director/PDMR Shareholding 02/11/2007 Total Voting Rights 02/11/2007 Transaction in Own Shares 01/11/2007 Transaction in Own Shares 31/10/2007 Transaction in Own Shares 30/10/2007 Transaction in Own Shares 29/10/2007 Transaction in Own Shares 29/10/2007 Transaction in Own Shares 26/10/2007 Transaction in Own Shares 25/10/2007 Director/PDMR Shareholding 25/10/2007 Transaction in Own Shares 24/10/2007 3rd Quarter Results 24/10/2007 Transaction in Own Shares 23/10/2007 Director/PDMR Shareholding 23/10/2007 Transaction in Own Shares 22/10/2007 Transaction in Own Shares 19/10/2007 Transaction in Own Shares 18/10/2007 Transaction in Own Shares 17/10/2007 Director/PDMR Shareholding 17/10/2007 Director/PDMR Shareholding 17/10/2007 Director/PDMR Shareholding 17/10/2007 Director/PDMR Shareholding 17/10/2007 Transaction in Own Shares 16/10/2007 Director/PDMR Shareholding 16/10/2007 Transaction in Own Shares 15/10/2007 Director/PDMR Shareholding 15/10/2007 Transaction in Own Shares 12/10/2007 Director/PDMR Shareholding 12/10/2007 Director/PDMR Shareholding 12/10/2007 Director/PDMR Shareholding 12/10/2007 Transaction in Own Shares 11/10/2007 Transaction in Own Shares 10/10/2007 Director/PDMR Shareholding 10/10/2007 Transaction in Own Shares 09/10/2007 Director/PDMR Shareholding 09/10/2007 Transaction in Own Shares 08/10/2007 CEO Designate 08/10/2007 Transaction in Own Shares 05/10/2007 Director Declaration 05/10/2007 Transaction in Own Shares 04/10/2007 Transaction in Own Shares 03/10/2007 Transaction in Own Shares 02/10/2007 Director/PDMR Shareholding 02/10/2007 Director/PDMR Shareholding 02/10/2007 Total Voting Rights 02/10/2007 Transaction in Own Shares 01/10/2007 Transaction in Own Shares 28/09/2007 Buy Back Programme 28/09/2007 Directorate Change 28/09/2007 Transaction in Own Shares 27/09/2007 Transaction in Own Shares 26/09/2007 Director/PDMR Shareholding 26/09/2007 Transaction in Own Shares 25/09/2007 Director/PDMR Shareholding 25/09/2007 Transaction in Own Shares 24/09/2007 Transaction in Own Shares 21/09/2007 Transaction in Own Shares 20/09/2007 Transaction in Own Shares 19/09/2007 Transaction in Own Shares 18/09/2007 Transaction in Own Shares 17/09/2007 Transaction in Own Shares 14/09/2007 Transaction in Own Shares 13/09/2007 Transaction in Own Shares 12/09/2007 Director/PDMR Shareholding 12/09/2007 Director/PDMR Shareholding 12/09/2007 Transaction in Own Shares 11/09/2007 Additional Listing 11/09/2007 Transaction in Own Shares 10/09/2007 Transaction in Own Shares 07/09/2007 Transaction in Own Shares 06/09/2007 Transaction in Own Shares 05/09/2007 Transaction in Own Shares 04/09/2007 Transaction in Own Shares 03/09/2007 Total Voting Rights 03/09/2007 Transaction in Own Shares 31/08/2007 Transaction in Own Shares 30/08/2007 Transaction in Own Shares 29/08/2007 Transaction in Own Shares 28/08/2007 Director/PDMR Shareholding 28/08/2007 Transaction in Own Shares 24/08/2007 Transaction in Own Shares 23/08/2007 Transaction in Own Shares 21/08/2007 Transaction in Own Shares 20/08/2007 Trans. in Own Shares-Amend 20/08/2007 Transaction in Own Shares 17/08/2007 Transaction in Own Shares 16/08/2007 Transaction in Own Shares 15/08/2007 Transaction in Own Shares 14/08/2007 Transaction in Own Shares 13/08/2007 Director/PDMR Shareholding 13/08/2007 Transaction in Own Shares 10/08/2007 Director/PDMR Shareholding 10/08/2007 Transaction in Own Shares 09/08/2007 Director/PDMR Shareholding 09/08/2007 Transaction in Own Shares 08/08/2007 Transaction in Own Shares 07/08/2007 Director/PDMR Shareholding 07/08/2007 Director/PDMR Shareholding 07/08/2007 Director/PDMR Shareholding 07/08/2007 Transaction in Own Shares 06/08/2007 Transaction in Own Shares 03/08/2007 Transaction in Own Shares 02/08/2007 Transaction in Own Shares-Amd 02/08/2007 Transaction in Own Shares-Amd 02/08/2007 Transaction in Own Shares 02/08/2007 Trexima FDA Approvable Letter 01/08/2007 Total Voting Rights 01/08/2007 Transaction in Own Shares 31/07/2007 Director/PDMR Shareholding 31/07/2007 FDA Ad Committee - Avandia 31/07/2007 Transaction in Own Shares 30/07/2007 Director/PDMR Shareholding 30/07/2007 Interim Report 27/07/2007 Director/PDMR Shareholding 25/07/2007 2nd Quarter Results 19/07/2007 Cervarix positive opinion 17/07/2007 Director/PDMR Shareholding 16/07/2007 Director/PDMR Shareholding 16/07/2007 Director/PDMR Shareholding 16/07/2007 Director/PDMR Shareholding 16/07/2007 Director/PDMR Shareholding 16/07/2007 Director/PDMR Shareholding 13/07/2007 Director/PDMR Shareholding 13/07/2007 Director/PDMR Shareholding 13/07/2007 Director/PDMR Shareholding 13/07/2007 Director/PDMR Shareholding 11/07/2007 Director/PDMR Shareholding 03/07/2007 Director/PDMR Shareholding 03/07/2007 Director/PDMR Shareholding 03/07/2007 Total Voting Rights 02/07/2007 Director/PDMR Shareholding 28/06/2007 Director/PDMR Shareholding 28/06/2007 Transaction in Own Shares 27/06/2007 Transaction in Own Shares 26/06/2007 Transaction in Own Shares 25/06/2007 Transaction in Own Shares 22/06/2007 Transaction in Own Shares 21/06/2007 Transaction in Own Shares 20/06/2007 Transaction in Own Shares 19/06/2007 Transaction in Own Shares 18/06/2007 Director/PDMR Shareholding 18/06/2007 Transaction in Own Shares 15/06/2007 Holding(s) in Company 15/06/2007 Transaction in Own Shares 14/06/2007 Transaction in Own Shares 13/06/2007 Transaction in Own Shares 12/06/2007 Director/PDMR Shareholding 12/06/2007 Transaction in Own Shares 11/06/2007 Transaction in Own Shares 08/06/2007 Transaction in Own Shares 07/06/2007 Transaction in Own Shares 06/06/2007 Interim data - RECORD study 04/06/2007 Director/PDMR Shareholding 01/06/2007 Total Voting Rights 30/05/2007 AGM - Special Business 29/05/2007 Transaction in Own Shares 24/05/2007 Transaction in Own Shares 23/05/2007 Result of AGM 23/05/2007 Transaction in Own Shares 22/05/2007 Transaction in Own Shares 21/05/2007 Director/PDMR Shareholding 21/05/2007 GSK responds to NEJM 18/05/2007 Transaction in Own Shares 16/05/2007 Transaction in Own Shares 14/05/2007 Transaction in Own Shares 11/05/2007 Director/PDMR Shareholding 10/05/2007 Transaction in Own Shares 09/05/2007 Director/PDMR Shareholding 09/05/2007 Director/PDMR Shareholding 09/05/2007 Transaction in Own Shares 08/05/2007 Transaction in Own Shares 03/05/2007 Transaction in Own Shares 02/05/2007 Total Voting Rights 02/05/2007 Transaction in Own Shares 30/04/2007 FDA Approval Veramyst 26/04/2007 Transaction in Own Shares 25/04/2007 1st Quarter Results 25/04/2007 Director/PDMR Shareholding 25/04/2007 Transaction in Own Shares 24/04/2007 Director/PDMR Shareholding 24/04/2007 Transaction in Own Shares 23/04/2007 Transaction in Own Shares 20/04/2007 Director/PDMR Shareholding 20/04/2007 Transaction in Own Shares 19/04/2007 Transaction in Own Shares 18/04/2007 Transaction in Own Shares 17/04/2007 Director/PDMR Shareholding 17/04/2007 Director/PDMR Shareholding 17/04/2007 Director/PDMR Shareholding 17/04/2007 Director/PDMR Shareholding 17/04/2007 Transaction in Own Shares 16/04/2007 Director/PDMR Shareholding 16/04/2007 Director/PDMR Shareholding 16/04/2007 Director/PDMR Shareholding 16/04/2007 Director/PDMR Shareholding 16/04/2007 Transaction in Own Shares 13/04/2007 Director/PDMR Shareholding 13/04/2007 Director/PDMR Shareholding 13/04/2007 Director/PDMR Shareholding 13/04/2007 Transaction in Own Shares 13/04/2007 Transaction in Own Shares 12/04/2007 Transaction in Own Shares 11/04/2007 Director/PDMR Shareholding 11/04/2007 Transaction in Own Shares 10/04/2007 Transaction in Own Shares 05/04/2007 Director/PDMR Shareholding 05/04/2007 Director/PDMR Shareholding 05/04/2007 Transaction in Own Shares 04/04/2007 Director/PDMR Shareholding 04/04/2007 Director/PDMR Shareholding 04/04/2007 Transaction in Own Shares 03/04/2007 Director/PDMR Shareholding 03/04/2007 Director/PDMR Shareholding 03/04/2007 Director/PDMR Shareholding 03/04/2007 Transaction in Own Shares 02/04/2007 Director/PDMR Shareholding 02/04/2007 Director/PDMR Shareholding 02/04/2007 Total Voting Rights 02/04/2007 Transaction in Own Shares 30/03/2007 Annual Information Update 30/03/2007 Buy-Back Programme 30/03/2007 Cervarix US Filing 30/03/2007 Director/PDMR Shareholding 30/03/2007 Director/PDMR Shareholding 30/03/2007 Transaction in Own Shares 29/03/2007 Transaction in Own Shares 28/03/2007 Director/PDMR Shareholding 28/03/2007 Director/PDMR Shareholding 28/03/2007 Director/PDMR Shareholding 28/03/2007 Transaction in Own Shares 2. Documents filed at Companies House All documents listed below were filed with the Registrar of Companies in England and Wales on or around the dates indicated, and can be obtained from Companies House via their website www.companieshouse.gov.uk Date Document Type Description of Document Filed 17/03/2008 169 Return by a company purchasing its own shares 14/03/2008 88(2) Return of Allotment of Shares 14/03/2008 88(2) Return of Allotment of Shares 14/03/2008 88(2) Return of Allotment of Shares 04/03/2008 88(2) Return of Allotment of Shares 25/02/2008 88(2) Return of Allotment of Shares 25/02/2008 88(2) Return of Allotment of Shares 25/02/2008 88(2) Return of Allotment of Shares 25/02/2008 88(2) Return of Allotment of Shares 25/02/2008 88(2) Return of Allotment of Shares 25/02/2008 88(2) Return of Allotment of Shares 25/02/2008 88(2) Return of Allotment of Shares 25/02/2008 88(2) Return of Allotment of Shares 25/02/2008 88(2) Return of Allotment of Shares 25/02/2008 88(2) Return of Allotment of Shares 25/02/2008 88(2) Return of Allotment of Shares 25/02/2008 88(2) Return of Allotment of Shares 25/02/2008 88(2) Return of Allotment of Shares 25/02/2008 88(2) Return of Allotment of Shares 25/02/2008 88(2) Return of Allotment of Shares 25/02/2008 88(2) Return of Allotment of Shares 25/02/2008 88(2) Return of Allotment of Shares 19/02/2008 88(2)R Return of Allotment of Shares 18/02/2008 288a Appointment of Director 18/02/2008 288a Appointment of Director 14/02/2008 88(2)R Return of Allotment of Shares 14/02/2008 88(2)R Return of Allotment of Shares 14/02/2008 88(2)R Return of Allotment of Shares 11/02/2008 88(2)R Return of Allotment of Shares 11/02/2008 88(2)R Return of Allotment of Shares 11/02/2008 88(2)R Return of Allotment of Shares 11/02/2008 88(2)R Return of Allotment of Shares 11/02/2008 88(2)R Return of Allotment of Shares 11/02/2008 88(2)R Return of Allotment of Shares 11/02/2008 88(2)R Return of Allotment of Shares 11/02/2008 88(2)R Return of Allotment of Shares 11/02/2008 88(2)R Return of Allotment of Shares 11/02/2008 88(2)R Return of Allotment of Shares 11/02/2008 88(2)R Return of Allotment of Shares 11/02/2008 88(2)R Return of Allotment of Shares 31/01/2008 88(2)R Return of Allotment of Shares 31/01/2008 88(2)R Return of Allotment of Shares 31/01/2008 88(2)R Return of Allotment of Shares 31/01/2008 88(2)R Return of Allotment of Shares 31/01/2008 88(2)R Return of Allotment of Shares 31/01/2008 88(2)R Return of Allotment of Shares 31/01/2008 88(2)R Return of Allotment of Shares 31/01/2008 88(2)R Return of Allotment of Shares 24/01/2008 169 Return by a company purchasing its own shares 24/01/2008 88(2)R Return of Allotment of Shares 24/01/2008 88(2)R Return of Allotment of Shares 24/01/2008 88(2)R Return of Allotment of Shares 24/01/2008 88(2)R Return of Allotment of Shares 24/01/2008 88(2)R Return of Allotment of Shares 24/01/2008 88(2)R Return of Allotment of Shares 24/01/2008 88(2)R Return of Allotment of Shares 24/01/2008 88(2)R Return of Allotment of Shares 24/01/2008 88(2)R Return of Allotment of Shares 24/01/2008 88(2)R Return of Allotment of Shares 23/01/2008 88(2)R Return of Allotment of Shares 15/01/2008 88(2)R Return of Allotment of Shares 15/01/2008 88(2)R Return of Allotment of Shares 15/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 10/01/2008 88(2)R Return of Allotment of Shares 28/12/2007 88(2)R Return of Allotment of Shares 28/12/2007 88(2)R Return of Allotment of Shares 28/12/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 19/12/2007 88(2)R Return of Allotment of Shares 19/12/2007 88(2)R Return of Allotment of Shares 19/12/2007 88(2)R Return of Allotment of Shares 19/12/2007 88(2)R Return of Allotment of Shares 19/12/2007 88(2)R Return of Allotment of Shares 19/12/2007 88(2)R Return of Allotment of Shares 11/12/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 30/11/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 27/11/2007 88(2)R Return of Allotment of Shares 12/11/2007 88(2)R Return of Allotment of Shares 12/11/2007 88(2)R Return of Allotment of Shares 12/11/2007 88(2)R Return of Allotment of Shares 12/11/2007 88(2)R Return of Allotment of Shares 12/11/2007 88(2)R Return of Allotment of Shares 07/11/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 07/11/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 06/11/2007 88(2)R Return of Allotment of Shares 06/11/2007 88(2)R Return of Allotment of Shares 06/11/2007 88(2)R Return of Allotment of Shares 06/11/2007 88(2)R Return of Allotment of Shares 06/11/2007 88(2)R Return of Allotment of Shares 06/11/2007 88(2)R Return of Allotment of Shares 06/11/2007 88(2)R Return of Allotment of Shares 05/11/2007 88(2)R Return of Allotment of Shares 05/11/2007 88(2)R Return of Allotment of Shares 05/11/2007 88(2)R Return of Allotment of Shares 05/11/2007 88(2)R Return of Allotment of Shares 25/10/2007 88(2)R Return of Allotment of Shares 25/10/2007 88(2)R Return of Allotment of Shares 25/10/2007 88(2)R Return of Allotment of Shares 25/10/2007 88(2)R Return of Allotment of Shares 25/10/2007 88(2)R Return of Allotment of Shares 25/10/2007 88(2)R Return of Allotment of Shares 25/10/2007 88(2)R Return of Allotment of Shares 25/10/2007 88(2)R Return of Allotment of Shares 25/10/2007 88(2)R Return of Allotment of Shares 25/10/2007 88(2)R Return of Allotment of Shares 24/10/2007 363a Annual Return 24/10/2007 353 Location of Register of Members 11/10/2007 288a Appointment of Director 10/10/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 08/10/2007 88(2)R Return of Allotment of Shares 08/10/2007 88(2)R Return of Allotment of Shares 08/10/2007 88(2)R Return of Allotment of Shares 08/10/2007 88(2)R Return of Allotment of Shares 08/10/2007 88(2)R Return of Allotment of Shares 08/10/2007 88(2)R Return of Allotment of Shares 08/10/2007 88(2)R Return of Allotment of Shares 08/10/2007 88(2)R Return of Allotment of Shares 08/10/2007 88(2)R Return of Allotment of Shares 08/10/2007 88(2)R Return of Allotment of Shares 03/10/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 01/10/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 26/09/2007 88(2)R Return of Allotment of Shares 26/09/2007 88(2)R Return of Allotment of Shares 26/09/2007 88(2)R Return of Allotment of Shares 26/09/2007 88(2)R Return of Allotment of Shares 18/09/2007 88(2)R Return of Allotment of Shares 18/09/2007 88(2)R Return of Allotment of Shares 18/09/2007 88(2)R Return of Allotment of Shares 18/09/2007 88(2)R Return of Allotment of Shares 18/09/2007 88(2)R Return of Allotment of Shares 18/09/2007 88(2)R Return of Allotment of Shares 18/09/2007 88(2)R Return of Allotment of Shares 18/09/2007 88(2)R Return of Allotment of Shares 11/09/2007 88(2)R Return of Allotment of Shares 11/09/2007 88(2)R Return of Allotment of Shares 11/09/2007 88(2)R Return of Allotment of Shares 11/09/2007 88(2)R Return of Allotment of Shares 11/09/2007 88(2)R Return of Allotment of Shares 11/09/2007 88(2)R Return of Allotment of Shares 11/09/2007 88(2)R Return of Allotment of Shares 11/09/2007 88(2)R Return of Allotment of Shares 11/09/2007 88(2)R Return of Allotment of Shares 11/09/2007 88(2)R Return of Allotment of Shares 11/09/2007 88(2)R Return of Allotment of Shares 10/09/2007 88(2)R Return of Allotment of Shares 07/09/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 03/09/2007 88(2)R Return of Allotment of Shares 03/09/2007 88(2)R Return of Allotment of Shares 03/09/2007 88(2)R Return of Allotment of Shares 03/09/2007 88(2)R Return of Allotment of Shares 03/09/2007 88(2)R Return of Allotment of Shares 23/08/2007 88(2)R Return of Allotment of Shares 23/08/2007 88(2)R Return of Allotment of Shares 15/08/2007 88(2)R Return of Allotment of Shares 15/08/2007 88(2)R Return of Allotment of Shares 15/08/2007 88(2)R Return of Allotment of Shares 15/08/2007 88(2)R Return of Allotment of Shares 15/08/2007 88(2)R Return of Allotment of Shares 15/08/2007 88(2)R Return of Allotment of Shares 15/08/2007 88(2)R Return of Allotment of Shares 15/08/2007 88(2)R Return of Allotment of Shares 15/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 07/08/2007 88(2)R Return of Allotment of Shares 31/07/2007 88(2)R Return of Allotment of Shares 31/07/2007 88(2)R Return of Allotment of Shares 17/07/2007 88(2)R Return of Allotment of Shares 17/07/2007 88(2)R Return of Allotment of Shares 17/07/2007 88(2)R Return of Allotment of Shares 17/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 13/07/2007 88(2)R Return of Allotment of Shares 12/07/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 05/07/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 26/06/2007 88(2)R Return of Allotment of Shares 15/06/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 15/06/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 15/06/2007 88(2)R Return of Allotment of Shares 15/06/2007 88(2)R Return of Allotment of Shares 15/06/2007 88(2)R Return of Allotment of Shares 12/06/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 11/06/2007 RES 11 Amendment to the Articles and Memorandum of Association 07/06/2007 88(2)R Return of Allotment of Shares 07/06/2007 88(2)R Return of Allotment of Shares 07/06/2007 88(2)R Return of Allotment of Shares 07/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 06/06/2007 88(2)R Return of Allotment of Shares 29/05/2007 88(2)R Return of Allotment of Shares 22/05/2007 88(2)R Return of Allotment of Shares 21/05/2007 169 Return by a company purchasing its own shares 16/05/2007 88(2)R Return of Allotment of Shares 16/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 15/05/2007 88(2)R Return of Allotment of Shares 11/05/2007 288c Change of Particulars of Director 10/05/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 04/05/2007 AA Group of companies' accounts made up to 31/12/06 03/05/2007 169 Return by a company purchasing its own shares 26/04/2007 88(2)R Return of Allotment of Shares 19/04/2007 88(2)R Return of Allotment of Shares 19/04/2007 88(2)R Return of Allotment of Shares 18/04/2007 AA Directors' Report and Accounts 13/04/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 13/04/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 13/04/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 13/04/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 13/04/2007 88(2)R Return of Allotment of Shares 13/04/2007 88(2)R Return of Allotment of Shares 12/04/2007 88(2)R Return of Allotment of Shares 12/04/2007 88(2)R Return of Allotment of Shares 12/04/2007 88(2)R Return of Allotment of Shares 12/04/2007 88(2)R Return of Allotment of Shares 12/04/2007 88(2)R Return of Allotment of Shares 12/04/2007 88(2)R Return of Allotment of Shares 12/04/2007 88(2)R Return of Allotment of Shares 12/04/2007 88(2)R Return of Allotment of Shares 12/04/2007 88(2)R Return of Allotment of Shares 12/04/2007 88(2)R Return of Allotment of Shares 12/04/2007 88(2)R Return of Allotment of Shares 12/04/2007 88(2)R Return of Allotment of Shares 30/03/2007 169(1B) Return by a public company purchasing its own shares for holding in treasury 29/03/2007 288a New director appointed 3. Documents filed with the Securities and Exchange Commission ("SEC") The Company submitted filings to the SEC in compliance with its obligations under national laws and rules dealing with the regulation of securities, issuers of securities and securities markets by virtue of having American Depository Shares admitted to trading on the New York Stock Exchange. Full details of these filings can be found on the SEC's website at www.sec.gov. 4. Documents sent to shareholders The following documents were published and sent to shareholders. They are available on the Company's website. Date of Publication Document 28/02/2008 Annual Report and Accounts 28/02/2008 Annual Review 19/03/2008 Notice of Annual General Meeting A copy of this Annual Information Update and copies of the documents referred to in it can be obtained from the Deputy Company Secretary at the Company's registered office: Victoria Whyte Deputy Company Secretary GlaxoSmithKline plc 980 Great West Road Brentford Middlesex TW8 9GS Tel: 020 8047 5000 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorised. GlaxoSmithKline plc (Registrant) Date: March 27, 2008 By: VICTORIA WHYTE ------------------ Victoria Whyte Authorised Signatory for and on behalf of GlaxoSmithKline plc