Ferris, Baker Watts, Incorporated as Representative of the Several Underwriters 100 Light Street Baltimore, MD 21202 Re: China Healthcare Acquisition Corp. Ladies and Gentlemen:China Healthcare Acquisition Corp. • April 18th, 2007 • Blank checks
Company FiledApril 18th, 2007 IndustryThis letter, including Schedule 1 attached hereto, will confirm the agreement of the undersigned to purchase or cause an affiliate of the undersigned to purchase shares of common stock (“Common Stock”) of China Healthcare Acquisition Corp. (“Company”) upon the terms and conditions set forth herein. The attached letter on Schedule 1 is intended to constitute a “written plan for trading securities” within the meaning of Rule 10b5-1 promulgated under the Securities Exchange Act of 1934, as amended (“Exchange Act”).