X0303 4 2010-05-11 0 0000927003 ADVANCED ENERGY INDUSTRIES INC AEIS 0001228910 SCHATZ DOUGLAS S & SCHATZ JILL E FAMILY TRUST PO BOX 481 FORT COLLINS CO 80522 0 0 1 0 0001007705 SCHATZ DOUGLAS S P.O. BOX 481 FORT COLLINS CO 80522 1 0 0 0 0001328181 Schatz Jill E P.O. BOX 481 FORT COLLINS CO 80522 0 0 1 0 Common Stock 2010-05-11 4 J 0 166660 12.8853 D 5442173 D Put Option (right to sell) under Prepaid Forward Contract 2010-05-11 4 J 0 200000 0.00 D 2010-05-11 2010-05-11 Common Stock 200000 0 D On May 11, 2010, The Douglas S. Schatz and Jill E. Schatz Family Trust settled a variable prepaid forward contract that was entered into on May 8, 2009 with a securities broker. The contract obligated the Family Trust to deliver to the securities broker up to 200,000 shares of AEIS common stock (or, at the Family Trust's election, an equivalent amount in cash) on the maturity date of the contract, which was May 11, 2010. In exchange for assuming this obligation, the Family Trust received a cash payment of $1,441,909 upon execution of the contract. The Family Trust had pledged 200,000 shares of AEIS common stock to secure its obligations under the contract, but retained dividend and voting rights in such shares during the term of the pledge. The contract provided that the number of shares of AEIS common stock that the Family Trust would be obligated to deliver to the securities broker on the maturity date would be determined based on the closing price of AEIS common stock on the maturity date. As of the maturity date, such closing price was $12.8853, and the Family Trust transferred 166,660 shares of AEIS common stock to the securities broker. The remaining shares were released from the pledge account with the securities broker but immediately were pledged to Silicon Valley Bank as collateral for a line of credit entered into by the Family Trust, Douglas Schatz and Jill Schatz. Douglas S. Schatz and Jill E. Schatz, husband and wife, are co-trustees of the Family Trust and may be deemed to be indirect beneficial owners of the shares of AEIS common stock held directly by the Family Trust. Douglas S. Schatz is a director of AEIS. This Form 4 is filed by the Family Trust, Douglas S. Schatz and Jill E. Schatz. The shares of AEIS Common stock reported on this Form 4 includes 26,350 shares subject to restricted stock units held directly by Doublas S. Schatz. All other securities reported on this Form 4 are held directly by the Family Trust. 800,000 shares of AEIS common stock on this Form 4 are pledged to a securities broker in connetion with variable prepaid forward contracts entered into by the Family Trust, which contracts have maturity dates ranging from May 25, 2010 to December 13, 2010. All other shares of AEIS common stock reported on this Form 4 and held directly by the Family Trust are pledged to Silicon Valley Bank as collateral for a line of credit entered into by the Family Trust, Douglas S. Schatz and Jill E. Schatz. /S/ Thomas O. McGimpsey (Attorney-in-Fact) 2010-05-13