SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) Amendment No. 4 West Pharmaceuticals Services, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 955306-105 (CUSIP Number) December 31, 2005 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [X] Rule 13d-1(b) [_] Rule 13d-(c) [_] Rule 13d-1(d) CUSIP No. 943315-101 ________________________________________________________________________________ 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Wilmington Trust Corporation, 51-0328154 ________________________________________________________________________________ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [_] ________________________________________________________________________________ 3. SEC USE ONLY ________________________________________________________________________________ 4. CITIZENSHIP OR PLACE OF ORGANIZATION Delaware corporation ________________________________________________________________________________ NUMBER OF 5. SOLE VOTING POWER: 1,851,839 SHARES _____________________________________________________ BENEFICIALLY 6. SHARED VOTING POWER: 0 OWNED BY _____________________________________________________ EACH 7. SOLE DISPOSITIVE POWER: 879,240 REPORTING _____________________________________________________ PERSON 8. SHARED DISPOSITIVE POWER: 432,686 WITH: ________________________________________________________________________________ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,284,525 ________________________________________________________________________________ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] N/A ________________________________________________________________________________ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.2% ________________________________________________________________________________ 12. TYPE OF REPORTING PERSON HC ________________________________________________________________________________ CUSIP No. 943315-101 ________________________________________________________________________________ 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Wilmington Trust Company, solely in its capacity as fiduciary 51-0055023 ________________________________________________________________________________ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [_] ________________________________________________________________________________ 3. SEC USE ONLY ________________________________________________________________________________ 4. CITIZENSHIP OR PLACE OF ORGANIZATION Delaware banking corporation ________________________________________________________________________________ NUMBER OF 5. SOLE VOTING POWER: 1,851,839 SHARES _____________________________________________________ BENEFICIALLY 6. SHARED VOTING POWER: 0 OWNED BY _____________________________________________________ EACH 7. SOLE DISPOSITIVE POWER: 879,240 REPORTING _____________________________________________________ PERSON 8. SHARED DISPOSITIVE POWER: 432,686 WITH: ________________________________________________________________________________ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,274,729 ________________________________________________________________________________ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] N/A ________________________________________________________________________________ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.2% ________________________________________________________________________________ 12. TYPE OF REPORTING PERSON* BK ________________________________________________________________________________ CUSIP No. 955306-105 ________________________________________________________________________________ 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Wilmington Trust FSB, solely in its fiduciary capacity 52-1877389 ________________________________________________________________________________ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [_] ________________________________________________________________________________ 3. SEC USE ONLY ________________________________________________________________________________ 4. CITIZENSHIP OR PLACE OF ORGANIZATION Federal Savings Bank ________________________________________________________________________________ NUMBER OF 5. SOLE VOTING POWER: 0 SHARES _____________________________________________________ BENEFICIALLY 6. SHARED VOTING POWER: 0 OWNED BY _____________________________________________________ EACH 7. SOLE DISPOSITIVE POWER: 0 REPORTING _____________________________________________________ PERSON 8. SHARED DISPOSITIVE POWER: 9,796 WITH: ________________________________________________________________________________ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 9,796 ________________________________________________________________________________ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [_] N/A ________________________________________________________________________________ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0% ________________________________________________________________________________ 12. TYPE OF REPORTING PERSON* BK ________________________________________________________________________________ ITEM 1(A). NAME OF ISSUER: West Pharmaceuticals Services, Inc. ITEM 1(B). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: 101 Gordon Drive Lionville, PA 19341 ITEM 2(A). NAME OF PERSON FILING: Wilmington Trust Corporation, Wilmington Trust Company, Wilmington Trust FSB ITEM 2(B). ADDRESS OF PRINCIPAL BUSINESS OFFICE, OR IF NONE, RESIDENCE: 1100 North Market Street Wilmington, DE 19890 ITEM 2(C). CITIZENSHIP: Wilmington Trust Corporation is a Delaware corporation; Wilmington Trust Company is a Delaware banking corporation. Wilmington Trust FSB is a Federal Savings Bank ITEM 2(D). TITLE OF CLASS OF SECURITIES: Common Stock ITEM 2(E). CUSIP NUMBER: 955306-105 ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13D-1(B), OR 13D-2(B) OR (C), CHECK WHETHER THE PERSON FILING IS A: (a) [_] Broker or dealer registered under Section 15 of the Exchange Act. (b) [X] Bank as defined in Section 3(a)(6) of the Exchange Act. Wilmington Trust Company and Wilmington Trust FSB are each Banks and are each direct, wholly-owned subsidiaries of Wilmington Trust Corporation. (c) [_] Insurance company as defined in Section 3(a)(19) of the Exchange Act. (d) [_] Investment company registered under Section 8 of the Investment Company Act. (e) [_] An investment adviser in accordance with Rule 13d-1(b) (1)(ii)(E); (f) [_] An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F); (g) [X] A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G); Wilmington Trust Corporation is a Parent Holding Company. (h) [_] A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act; (i) [_] A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act; (j) [X] Group, in accordance with Rule 13d-1(b)(1)(ii)(J). Wilmington Trust Corporation, Wilmington Trust Company and Wilmington Trust FSB are a Group. ITEM 4. OWNERSHIP. Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1. (a) Amount beneficially owned: Wilmington Trust Corporation: 2,284,525 shares Wilmington Trust Company: 2,274,729 shares Wilmington Trust FSB: 9,796 shares (b) Percent of class: Wilmington Trust Corporation: 7.2% Wilmington Trust Company: 7.2% Wilmington Trust FSB: 0.0% (c) Number of shares as to which Wilmington Trust Corporation has: (i) Sole power to vote or to direct the vote 1,851,839 shares (ii) Shared power to vote or to direct the vote 0 shares (iii) Sole power to dispose or to direct the disposition of 879,240 shares (iv) Shared power to dispose or to direct the disposition of 432,686 shares Number of shares as to which Wilmington Trust Company has: (i) Sole power to vote or to direct the vote 1,851,839 shares (ii) Shared power to vote or to direct the vote 0 shares (iii) Sole power to dispose or to direct the disposition of 879,240 shares (iv) Shared power to dispose or to direct the disposition of 422,890 shares Number of shares as to which Wilmington Trust FSB has: (i) Sole power to vote or to direct the vote 0 shares (ii) Shared power to vote or to direct the vote 0 shares (iii) Sole power to dispose or to direct the disposition of 0 shares (iv) Shared power to dispose or to direct the disposition of 9,796 shares ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS. If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [ ] ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON. Not applicable. ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY. Wilmington Trust Company: BK Wilmington Trust FSB: BK ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP. Wilmington Trust Corporation: HC Wilmington Trust Company: BK Wilmington Trust FSB: BK ITEM 9. NOTICE OF DISSOLUTION OF GROUP. Not applicable. ITEM 10. CERTIFICATIONS. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. February 14, 2006 WILMINGTON TRUST CORPORATION WILMINGTON TRUST COMPANY WILMINGTON TRUST FSB By: /s/ Michael A. DiGregorio ----------------------------- Michael A. DiGregorio Senior Vice President Note. Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7(b) for other parties for whom copies are to be sent. Attention. Intentional misstatements or omissions of fact constitute federal criminal violations (see 18U.S.C.1001).