X0202 4 2005-11-02 0 0000901696 MTI TECHNOLOGY CORP MTIC 0001260018 DIGITAL MEDIA & COMMUNICATINS III D CV C/O ADVENT INTERNATIONAL 75 STATE STREET, 29TH FLOOR BOSTON MA 02109 0 0 0 1 Member of group > 10% Series A Convertible Preferred Shares 2.065 2005-11-02 4 J 0 28568 0.00 A 2004-06-17 common stock 366120.02 28568 D Series B Convertible Preferred Shares 1.2642 2005-11-02 4 P 0 81550 0.00 A 2005-11-02 common stock 815500 81550 D Warrants to purchase Common Stock 1.26 2005-11-02 4 P 0 305813 0.00 A 2005-11-02 2015-11-02 common stock 305813 305813 D Through an investment made on June 17, 2004, each of the Series A Convertible Preferred shares were convertible into a number of shares of common stock equal to its stated value of $26.4645 per share (subject to adjustment) divided by the conversion price of $2.6465 per share (subject to adjustment). As a result of the purchase of the Series B Convertible Preferred shares, each of the Series A Convertible Preferred shares now has a conversion price of $2.0650. The number of Derivative Securities acquired has not changed since originally reported on June 25, 2004. The conversion price has been reduced and the limitation on the number of shares of common stock that may be acquired upon conversion has been eliminated. Each share of Series A Convertible Preferred shares is convertible at any time. Each of the Series B Convertible Preferred shares is convertible into a number of shares of common stock equal to its stated value of $12.6420 per share divided by the conversion price of $1.2642. Each share of Series B Convertible Preferred shares is convertible at any time. /s/ Janet L. Hennessy, Vice President 2005-11-04