EXHIBIT 32 MEMC ELECTRONIC MATERIALS, INC. (a Delaware corporation) 57,000,000 Shares of Common Stock UNDERWRITING AGREEMENT Dated: February 17, 2005Underwriting Agreement • February 25th, 2005 • Memc Electronic Materials Inc • Semiconductors & related devices • New York
EXHIBIT 32a LOCK-UP LETTER AGREEMENTLock-Up Letter Agreement • February 25th, 2005 • Memc Electronic Materials Inc • Semiconductors & related devices
LEHMAN BROTHERS INC. MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED CITIGROUP GLOBAL MARKETS INC. JMP SECURITIES LLC NEEDHAM & COMPANY, INC.
