JOINT FILING AGREEMENT AMONG TELIASONERA AB, TELIASONERA FINLAND OYJ AND SONERA HOLDING B.V.

EXHIBIT C

JOINT FILING AGREEMENT

AMONG

TELIASONERA AB, TELIASONERA FINLAND OYJ AND SONERA HOLDING B.V.

The undersigned hereby agree that the Statement on Schedule 13D, dated November 17, 2009, with respect to the ordinary shares, nominal value TRY 1.000 per share, of Turkcell Iletisim Hizmetleri A.S. is, and any amendments thereto executed by each of us shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k)(1) under the Securities and Exchange Act of 1934, as amended, and that this Agreement shall be included as an Exhibit to the Schedule 13D and each such amendment. Each of the undersigned agrees to be responsible for the timely filing of the Schedule 13D and any amendments thereto, and for the completeness and accuracy of the information concerning itself contained therein. This Agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.

IN WITNESS WHEREOF, the undersigned have executed this Agreement as of the 17th day of November, 2009.

TeliaSonera AB
By:		/s/ Per-Xxxx Xxxxxxxxx
		Name: Per-Xxxx Xxxxxxxxx
		Title: Executive Vice President and Chief Financial Officer
By:		/s/ Jan Henrik Ahrnell
		Name: Jan Henrik Ahrnell
		Title: Senior Vice President and Head of Group Legal Affairs
TeliaSonera Finland Oyj
By:		/s/ Per-Xxxx Xxxxxxxxx
		Name: Per-Xxxx Xxxxxxxxx
		Title: Director
By:		/s/ Jan Henrik Ahrnell
		Name: Jan Henrik Ahrnell
		Title: Director
Sonera Holding B.V.
By:		/s/ Xxxxxxxxx Xxxxx
		Name: Xxxxxxxxx Xxxxx