CNOOC Limited
	65th Floor
	Bank of China Tower One Garden Road Central, Hong Kong

 

April 19, 2018

 

VIA EDGAR

U.S. Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

 

Re:

Notice of disclosure filed in Exchange Act Annual Report under Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Exchange Act of CNOOC Limited

 

Dear Sirs:

 

Pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Securities Exchange Act of 1934, as amended, notice is hereby provided that CNOOC Limited has made disclosure pursuant to those provisions in its Annual Report on Form 20-F for the year ended December 31, 2017, which was filed with the Securities and Exchange Commission on April 19, 2018.

 

	Respectfully submitted,
	CNOOC Limited
	By:	/s/ Jiewen Li
	Name:	Jiewen Li
	Title:	Joint Company Secretary