EXHIBIT 32.1
CEO CERTIFICATION
PURSUANT TO 18 U.S.C. SECTION 1350, AS ADDED BY
SECTION 906 OF THE SARBANES — OXLEY ACT OF 2002
     This certification is provided pursuant to 18 U.S.C. Section 1350, as added by Section 906 of the Sarbanes-Oxley Act of 2002, and accompanies the annual report on Form 10-K (the “Form 10-K”) for the year ended December 31, 2008 of Cinemark Holdings, Inc. (the “Issuer”).
     I, Alan W. Stock, the Chief Executive Officer of Issuer certify that to the best of my knowledge:
  (i)   the Form 10-K fully complies with the requirements of section 13(a) or section 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m(a) or 78o(d)); and
 
  (ii)   the information contained in the Form 10-K fairly presents, in all material respects, the financial condition and results of operations of the Issuer.
     Dated: March 10, 2009
     
/s/ Alan W. Stock
   
 
Alan W. Stock
   
Chief Executive Officer
   
Subscribed and sworn to before me this 10th day of March 2009.
     
/s/ Carol Waldman
   
 
Name: Carol Waldman
   
Title: Notary Public
   
My commission expires: 06/07/12
A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.