U.S. Securities and Exchange Commission Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 7, 2006 ADA-ES, INC. ---------------------------------------------------- (Exact name of registrant as specified in its charter) Colorado 000-50216 84-1457385 ---------------------------- ----------- ----------------- (State or other jurisdiction (Commission (I.R.S. Employer of incorporation) File Number) Identification No.) 8100 SouthPark Way, B, Littleton, Colorado 80120 ------------------------------------------ -------- (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (303)734-1727 Not Applicable ---------------- (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: /_/ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) /_/ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) /_/ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) /_/ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Item 7.01 Regulation FD Disclosure On August 8, 2006, ADA-ES will be presenting at the 2006 Canaccord Adams Summer Seminar in Boston, Massachusetts. A copy of the presentation materials is attached hereto as an exhibit. The slide presentation is available on our website at www.adaes.com. Exhibit 99.1 August 8, 2006 Canaccord Adams Summer Seminar Presentation Item 9.01. Financial Statements and Exhibits (d) The following item is filed as an exhibit to this report: 99.1 August 8, 2006 Canaccord Adams Summer Seminar Presentation in script form. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. ADA-ES, Inc. Registrant Date: August 7, 2006 /s/ Mark H. McKinnies --------------------- Mark H. McKinnies Senior VP & Chief Financial Officer INDEX TO EXHIBITS Exhibit No. Description ----------- ----------------- 99.1 August 8, 2006 Canaccord Adams Summer Seminar Presentation in script form.