1) DOCUMENT CHANGE NOTICE (DCN): DCN No. E1000735-v1 2) INFORMATION: DOCUMENT No. TITLE D1000084-v1: aLIGO_F1_MIRROR D1000085-v1: aLIGO_F2_MIRROR_WEDGE D1000088-v1: aLIGO_F2_MIRROR_NEST D1000164-v1: aLIGO_F1_MIRROR_WEDGE_ANGULAR_PLATE D1001136-v1: aLIGO ETM F1 MIRROR CLAMP D1002336-v1: aLIGO ETM F1 Mirror Side Clamp Lower D1002337-v1: aLIGO ETM F1 Mirror Side Clamp Upper D1002458-v1: aLIGO AOS Transmon F2 Mirror Side Clamp Lower D1002459-v1: aLIGO AOS Transmon F2 Mirror Side Clamp Upper D1002465-v1: aLIGO AOS Transmon F2 Mirror Clamp D1002728-v1: aLIGO TMS Primary Mirror Side Clamp Lower D1002730-v1: aLIGO TMS Primary Mirror Bottom Spacer D1002731-v1: aLIGO TMS Primary Mirror Side Clamp Upper D1002732-v1: aLIGO TMS Primary Mirror Clamp E1000732-v1: BOM-TMS F1 Mirror Mount E1000734-v1: BOM-TMS F2 Mirror Mount 3) CHANGE DESCRIPTION (FROM / TO): Initial release of all listed documents. 4) REASON FOR CHANGE: see 3) 5) SIGNATURES REQUESTED: Ken Mailand Calum Torrie Dennis Coyne 6) DCN DISTRIBUTION: Ken Mailand Calum Torrie Dennis Coyne 7) NOTES: