FWP

Filed Pursuant to Rule 433

Registration Nos. 333-223982 and 333-223982-02

May 10, 2018

PRICING TERM SHEET

GlaxoSmithKline Capital plc

$1,250,000,000 3.125% Notes due 2021

$750,000,000 Floating Rate Notes due 2021

Fully and unconditionally guaranteed by

GlaxoSmithKline plc

 

Issuer:    GlaxoSmithKline Capital plc
Guarantor:    GlaxoSmithKline plc
$1,250,000,000 3.125% Notes due 2021   

Principal Amount:

   $1,250,000,000

Maturity Date:

   May 14, 2021

Coupon:

   3.125%

Interest Payment Dates:

   Semi-annually on May 14 and November 14, commencing November 14, 2018

Day Count Fraction:

   30/360

Price to Public:

   99.731%

Gross Proceeds to Issuer:

   $1,246,637,500

Underwriting Discount and Commissions:

   0.250%

Net Proceeds to Issuer:

   $1,243,512,500

Benchmark Treasury:

   2.375% due April 15, 2021

Benchmark Treasury Yield:

   2.670%

Spread to Benchmark Treasury:

   + 55 bps

Yield to Maturity:

   3.220%

Make-Whole Call:

   Treasury Rate (as defined in the preliminary prospectus supplement) + 10 bps


CUSIP:

   377373AE5

ISIN:

   US377373AE54

$750,000,000 Floating Rate Notes due 2021

  

Principal Amount:

   $750,000,000

Maturity Date:

   May 14, 2021

Coupon:

   LIBOR+ 0.350%

Floating Rate Interest Payment Dates:

   Quarterly on February 14, May 14, August 14 and November 14, commencing August 14, 2018

Interest Reset Dates:

   Each Floating Rate Interest Payment Date

Interest Determination Dates:

   The second London Banking Day preceding May 15, 2018, in the case of the initial period, or thereafter the second London Banking Day preceeding each Interest Reset Date

Day Count Fraction:

   Actual/360

Price to Public:

   100.000%

Gross Proceeds to Issuer:

   $750,000,000

Underwriting Discount and Commissions:

   0.250%

Net Proceeds to Issuer:

   $748,125,000

CUSIP:

   377373AF2

ISIN:

   US377373AF20

Common Terms:

  

Trade Date:

   May 10, 2018

Expected Settlement Date:

   May 15, 2018 (T+3)

Business Day:

   New York and London

Expected Listing:

   New York Stock Exchange

Denominations:

   $2,000 x $1,000

Anticipated Ratings:

   A2 (stable) by Moody’s Investors Service, Inc.
A+ (stable) by Standard & Poor’s Ratings Services


Joint Book-Running Managers:

   Citigroup Global Markets Inc.
Goldman Sachs & Co. LLC
J.P. Morgan Securities LLC
Merrill Lynch, Pierce, Fenner & Smith
                     Incorporated
   Barclays Capital Inc.
BNP Paribas Securities Corp.
Credit Suisse Securities (USA) LLC
Deutsche Bank Securities Inc.
HSBC Securities (USA) Inc.
Mizuho Securities USA LLC
Morgan Stanley & Co. LLC
Standard Chartered Bank

MiFID II professionals/ECPs-only / No PRIIPs KID – in the European Economic Area (EEA), the manufacturer target market (MiFID II product governance) is eligible counterparties and professional clients only (all distribution channels). No PRIIPs key information document (KID) has been prepared as not available to retail in the EEA.

Note: A securities rating is not a recommendation to buy, sell or hold securities and may be subject to revision or withdrawal at any time.

The issuer and the guarantor have filed a registration statement (including a prospectus) and a preliminary prospectus supplement with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus in that registration statement, the preliminary prospectus supplement and other documents the issuer and the guarantor have filed with the SEC for more complete information about the issuer, the guarantor and this offering.

You may get these documents for free by visiting EDGAR on the SEC website at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus and the preliminary prospectus supplement if you request it by calling Citigroup Global Markets Inc. toll-free at 1-800-831-9146, Goldman Sachs & Co. LLC toll-free at 1-866-471-2526, J.P. Morgan Securities LLC collect at 1-212-834-4533 and Merrill Lynch, Pierce, Fenner & Smith Incorporated toll-free at 1-800-294-1322.