August 14, 2008 Tinter Scheifley Tang, LLC By US Mail and by facsimile to 419-821-5638 PO Box 2158 Dillon, Colorado 80435 Attention: Jim Scheifley Dear Mr. Scheifley: By this letter, we are advising you that American Post Tension, Inc. has decided to retain another independent accounting firm to audit the financial statements for the Company for the fiscal year ended December 31, 2008, and the interim periods ending June 30, 2008 and September 30, 2008. This change is effective immediately. Attached to this letter is the report on Form 8-K which we propose to file with the United States Securities and Exchange Commission on August 15, 2008, including the disclosures required by Item 304(a) of Regulation SK. Please furnish us with a letter, within ten (10) business days of this date, addressed to the Commission stating whether you agree or disagree with our statements made in response to Item 304(a) contained in the Report, and, if not, stating the reasons why you disagree. Thank you for your past services to the Company. If there is a current balance outstanding that is still owed to you, please let me know and I will see that it is remitted to you immediately. Sincerely, /s/ Robert Hipple CFO and Corporate Counsel