X0303 4 2011-06-01 0 0000709804 ADPT Corp ADPT 0000915653 STEEL PARTNERS II LP C/O STEEL PARTNERS HOLDINGS L.P. 590 MADISON AVENUE, 32ND FLOOR NEW YORK NY 10022 0 0 1 0 0001452857 STEEL PARTNERS HOLDINGS L.P. 590 MADISON AVENUE, 32ND FLOOR NEW YORK NY 10022 0 0 1 0 0001422282 Steel Partners LLC C/O STEEL PARTNERS HOLDINGS L.P. 590 MADISON AVENUE, 32ND FLOOR NEW YORK NY 10022 0 0 1 0 0001005784 LICHTENSTEIN WARREN G C/O STEEL PARTNERS HOLDINGS L.P. 590 MADISON AVENUE, 32ND FLOOR NEW YORK NY 10022 1 1 1 0 President of Subsidiary Common Stock, par value $0.001 2011-06-01 4 J 0 37094472 0 D 0 D This Form 4 is filed jointly by Steel Partners Holdings L.P., Steel Partners II, L.P. ("Steel Partners II"), Steel Partners LLC and Warren G. Lichtenstein. Transaction constitutes a distribution of shares owned directly by Steel Partners II to SPH Group LLC, an affiliate of Steel Partners II. As a result of such distribution, Steel Partners II is no longer subject to the reporting requirements of Section 16 with respect to the securities of the Issuer. By: Steel Partners Holdings L.P., By: Steel Partners Holdings GP Inc., General Partner, By: /s/ Sanford Antignas, Chief Operating Officer 2011-06-02 By: Steel Partners II, L.P., By: Steel Partners II GP LLC, General Partner, By: /s/ Sanford Antignas, Chief Operating Officer 2011-06-02 By: Steel Partners LLC, By: /s/ Sanford Antignas, Chief Operating Officer 2011-06-02 By: /s/ Sanford Antignas, as Attorney In Fact for Warren G. Lichtenstein 2011-06-02