Contract

EXHIBIT 10a

000 Xxxx 00 Xxxxxx Xxx Xxxx, Xxx Xxxx 00000

Citibank, N.A., as Administrative Agent

000 Xxxxxxxxx Xxxxxx

Xxx Xxxx, Xxx Xxxx 00000

Attention: Xxxxxxx Xxxxxx

May 31, 2019

Ladies and Gentlemen:

Re: Extension of Maturity Date

Reference is made to the Five Year Competitive Advance and Revolving Credit Facility Agreement, dated as of September 29, 2011 (as amended, supplemented or otherwise modified prior to the date hereof, the "Credit Agreement") among Xxxxxxx-Xxxxx Squibb Company, a Delaware corporation (the "Company"), the Borrowing Subsidiaries, the lenders parties thereto (the "Lenders"), certain Agents, Citibank, N.A., as an Administrative Agent, and JPMorgan Chase Bank, N.A., as an Administrative Agent. Capitalized term used but not defined herein shall have the meaning assigned to such term in the Credit Agreement.

Pursuant to Section 2.5 of the Credit Agreement, the Company hereby requests that the Lenders extend the Maturity Date in effect on the date hereof (i.e., September 30, 2022) such that the extended Maturity Date under the Credit Agreement will be September 29, 2023. This letter shall constitute an "Extension Letter" as referred to in Section 2.5 of the Credit Agreement.

Very truly yours,
XXXXXXX-XXXXX SQUIBB COMPANY
By:	/s/ Xxxxxxx Xxxxx
	Name: Xxxxxxx Xxxxx
	Title: Senior Vice President and Treasurer