X0203 3 2011-06-01 0 0000709804 ADPT Corp ADPT 0001522066 SPH Group Holdings LLC C/O STEEL PARTNERS HOLDINGS L.P. 590 MADISON AVENUE, 32ND FLOOR NEW YORK NY 10022 0 0 1 0 0001522067 SPH Group LLC C/O STEEL PARTNERS HOLDINGS L.P. 590 MADISON AVENUE, 32ND FLOOR NEW YORK NY 10022 0 0 1 0 Common Stock, par value $0.001 37094472 D This Form 3 is filed jointly by SPH Group LLC ("SPHG") and SPH Group Holdings LLC ("SPHG Holdings"). SPHG may be deemed to be a 10% owner of the Issuer and SPHG Holdings is a 10% owner of the Issuer. The shares reported in this Form 3 were owned directly by SPHG as a result of a distribution of such shares from its affiliate Steel Partners II, L.P. on June 1, 2011. Immediately thereafter, the shares were contributed by SPHG to SPHG Holdings. As a result, the shares are now owned directly by SPHG Holdings and owned indirectly by SPHG by virtue of it being the sole member of SPHG Holdings. SPHG disclaims beneficial ownership of the shares owned by SPHG Holdings except to the extent of its pecuniary interest therein. By: SPH Group Holdings LLC, By: Steel Partners Holdings GP Inc., Manager, By: /s/ Sanford Antignas, Chief Operating Officer 2011-06-02 By: SPH Group LLC, By: Steel Partners Holdings GP Inc., Managing Member, By: /s/ Sanford Antignas, Chief Operating Officer 2011-06-02