-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, FzzGQXaJ2HaBUAfiLphAWAC/4ldimsa8F1qSVXH9U794uoDHvwoe/DdQDr8J5x6n Pg4RhSJjIGMBeuQjvVBLeA== 0000902664-06-000926.txt : 20060221 0000902664-06-000926.hdr.sgml : 20060220 20060221154917 ACCESSION NUMBER: 0000902664-06-000926 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20060221 DATE AS OF CHANGE: 20060221 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: AMERIVEST PROPERTIES INC CENTRAL INDEX KEY: 0000927102 STANDARD INDUSTRIAL CLASSIFICATION: REAL ESTATE INVESTMENT TRUSTS [6798] IRS NUMBER: 841240264 STATE OF INCORPORATION: MD FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-53847 FILM NUMBER: 06632949 BUSINESS ADDRESS: STREET 1: 1780 S BELLAIRE ST STREET 2: SUITE 515 CITY: DENVER STATE: CO ZIP: 80222 BUSINESS PHONE: 3032971800 MAIL ADDRESS: STREET 1: 1780 S. BELLAIRE ST. STREET 2: SUITE 515 CITY: DENVER STATE: CO ZIP: 80222 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: DAVIDSON KEMPNER PARTNERS CENTRAL INDEX KEY: 0000928549 IRS NUMBER: 133393346 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 885 THIRD AVENUE CITY: NEW YORK STATE: NY ZIP: 10022 BUSINESS PHONE: 2124464020 MAIL ADDRESS: STREET 1: 885 THIRD AVENUE CITY: NEW YORK STATE: NY ZIP: 10022 SC 13G 1 sc13g.txt AMERIVEST PROPERTIES INC. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ---------------- SCHEDULE 13G (Rule 13d-102) ---------------- INFORMATION TO BE INCLUDED IN STATEMENTS PURSUANT TO RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.__)* AMERIVEST PROPERTIES INC. (Name of Issuer) COMMON STOCK, $0.001 PAR VALUE (Title of Class of Securities) 03071L101 (CUSIP Number) February 10, 2006 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [ ] Rule 13d-1(b) [X] Rule 13d-1(c) [ ] Rule 13d-1(d) - ----------- * The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). Schedule 13G CUSIP No. 03071L101 PAGE 2 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Davidson Kempner Partners - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION New York - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 309,218 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 309,218 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 309,218 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.3% - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON PN - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 3 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Davidson Kempner Institutional Partners, L.P. - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 524,993 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 524,993 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 524,993 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 2.2% - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON PN - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 4 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON M. H. Davidson & Co. - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION New York - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 45,873 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 45,873 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 45,873 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.2% - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON PN - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 5 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Davidson Kempner International, Ltd. - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION British Virgin Islands - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 796,834 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 796,834 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 796,834 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 3.3% - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON CO - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 6 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Serena Limited - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 22,182 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 22,182 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 22,182 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.1% - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON CO - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 7 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON MHD Management Co. - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION New York - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 309,218 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 309,218 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 309,218 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.3 % - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON PN - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 8 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Davidson Kempner Advisers Inc. - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION New York - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 524,993 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 524,993 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 524,993 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 2.2% - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON IA - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 9 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Davidson Kempner International Advisors, L.L.C. - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 819,016 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 819,016 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 819,016 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 3.4% - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON OO - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 10 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Thomas L. Kempner, Jr. - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 1,699,100 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 1,699,100 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,699,100 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.1% - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON IN - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 11 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Marvin H. Davidson - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 1,699,100 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 1,699,100 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,699,100 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.1% - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON IN - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 12 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Stephen M. Dowicz - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 1,699,100 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 1,699,100 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,699,100 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.1% - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON IN - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 13 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Scott E. Davidson - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 1,699,100 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 1,699,100 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,699,100 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.1% - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON IN - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 14 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Michael J. Leffell - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 1,699,100 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 1,699,100 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,699,100 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.1% - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON IN - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 15 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Timothy I. Levart - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION United Kingdom & United States - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 1,699,100 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 1,699,100 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,699,100 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.1% - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON IN - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 16 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Robert J. Brivio, Jr. - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 1,699,100 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 1,699,100 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,699,100 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.1% - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON IN - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 17 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Eric P. Epstein - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 1,699,100 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 1,699,100 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,699,100 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.1% - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON IN - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 18 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Anthony A. Yoseloff - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 1,699,100 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 1,699,100 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,699,100 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.1% - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON IN - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 19 OF 35 - ------------------------------------------------------------------------------ (1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Avram Z. Friedman - ------------------------------------------------------------------------------ (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [X] - ------------------------------------------------------------------------------ (3) SEC USE ONLY - ------------------------------------------------------------------------------ (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------------------------------------------------------------------------------ NUMBER OF (5) SOLE VOTING POWER 0 SHARES ____________________________________________________________ BENEFICIALLY (6) SHARED VOTING POWER 1,699,100 OWNED BY ____________________________________________________________ EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ____________________________________________________________ PERSON WITH (8) SHARED DISPOSITIVE POWER 1,699,100 - ------------------------------------------------------------------------------ (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,699,100 - ------------------------------------------------------------------------------ (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.1% - ------------------------------------------------------------------------------ (12) TYPE OF REPORTING PERSON IN - ------------------------------------------------------------------------------ Schedule 13G CUSIP No. 03071L101 PAGE 20 OF 35 ITEM 1(a). NAME OF ISSUER: AMERIVEST PROPERTIES INC. (the "Company") ITEM 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: 1780 S BELLAIRE ST SUITE 100 DENVER CO 80222 ITEM 2(a). NAME OF PERSON FILING: This Statement is filed by each of the entities and persons listed below, all of whom together are referred to herein as the "Reporting Persons": (i) Davidson Kempner Partners, a New York limited partnership ("DKP"); (ii) Davidson Kempner Institutional Partners, L.P., a Delaware limited partnership ("DKIP"); (iii) M. H. Davidson & Co., a New York limited partnership ("CO"); (iv) Davidson Kempner International, Ltd., a British Virgin Islands corporation ("DKIL"); (v) Serena Limited, a Cayman Islands corporation ("Serena"); (vi) MHD Management Co., a New York limited partnership and the general partner of DKP ("MHD"); (vii) Davidson Kempner Advisers Inc., a New York corporation and the general partner of DKIP ("DKAI"), which is registered as an investment adviser with the U.S. Securities and Exchange Commission; (viii) Davidson Kempner International Advisors, L.L.C., a Delaware limited liability company and the manager of DKIL and Serena ("DKIA"); and (ix) Messrs. Thomas L. Kempner, Jr., Marvin H. Davidson, Stephen M. Dowicz, Scott E. Davidson, Michael J. Leffell, Timothy I. Levart, Robert J. Brivio, Jr., Anthony A. Yoseloff, Eric P. Epstein and Avram Z. Friedman (collectively, the "Principals"), who are the general partners of CO and MHD, the sole managing members of DKIA and the sole stockholders of DKAI. ITEM 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE: The address of the principal business office of each of the Reporting Persons is c/o Davidson Kempner Partners, 885 Third Avenue, Suite 3300, New York, New York 10022. Schedule 13G CUSIP No. 03071L101 PAGE 21 OF 35 ITEM 2(c). CITIZENSHIP: (i) DKP - a New York limited partnership (ii) DKIP - a Delaware limited partnership (iii) CO - a New York limited partnership (iv) DKIL - a British Virgin Islands corporation (v) Serena - a Cayman Islands corporation (vi) MHD - a New York limited partnership (vii) DKAI - a New York corporation (viii) DKIA - a Delaware limited liability company (ix) Thomas L. Kempner, Jr. - United States (x) Marvin H. Davidson - United States (xi) Stephen M. Dowicz - United States (xii) Scott E. Davidson -United States (xiii) Michael J. Leffell - United States (xiv) Timothy I. Levart - United Kingdom & United States (xv) Robert J. Brivio, Jr. - United States (xvi) Eric P. Epstein - United States (xvii) Anthony A. Yoseloff - United States (xviii) Avram Z. Friedman - United States ITEM 2(d). TITLE OF CLASS OF SECURITIES: COMMON STOCK, $0.001 PAR VALUE ITEM 2(e). CUSIP NUMBER: 03071L101 ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO 13d-1(b) OR 13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A: (a) [ ] Broker or dealer registered under Section 15 of the Act; Schedule 13G CUSIP No. 03071L101 PAGE 22 OF 35 (b) [ ] Bank as defined in Section 3(a)(6) of the Act; (c) [ ] Insurance Company as defined in Section 3(a)(19) of the Act; (d) [ ] Investment Company registered under Section 8 of the Investment Company Act of 1940; (e) [ ] Investment Adviser registered under Section 203 of the Investment Advisers Act of 1940: see Rule 13d-1(b)(1)(ii)(E); (f) [ ] Employee Benefit Plan, Pension Fund which is subject to the provisions of the Employee Retirement Income Security Act of 1974 or Endowment Fund; see Rule 13d-1(b)(1)(ii)(F); (g) [ ] Parent Holding Company, in accordance with Rule 13d-1(b)(ii)(G); (h) [ ] Savings Associations as defined in Section 3(b) of the Federal Deposit Insurance Act; (i) [ ] Church Plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940; (j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J). ITEM 4. OWNERSHIP. The Principals may be deemed to beneficially own an aggregate of 1,699,100 Shares as a result of their voting and dispositive power over the 1,699,100 Shares beneficially owned by DKP, DKIP, DKIL, Serena and CO. As such, the Principals may be deemed to control DKP, DKIP, DKIL, Serena and CO and therefore may be deemed to be the beneficial owner of the securities reported in this Schedule 13G. DKIA may be deemed to beneficially own the 796,834 Shares beneficially owned by DKIL and the 22,182 Shares beneficially owned by Serena as a result of its voting and dispositive power over those Shares. DKAI may be deemed to beneficially own the 524,993 Shares beneficially owned by DKIP as a result of its voting and dispositive power over those Shares. MHD may be deemed to beneficially own the 309,218 Shares beneficially owned by DKP as a result of its voting and dispositive power over those Shares. A. DKP (a) Amount beneficially owned: 309,218 (b) Percent of class: 1.3% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 309,218 Schedule 13G CUSIP No. 03071L101 PAGE 23 OF 35 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 309,218 B. DKIP (a) Amount beneficially owned: 524,993 (b) Percent of class: 2.2% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 524,993 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 524,993 C. CO (a) Amount beneficially owned: 45,873 (b) Percent of class: 0.2% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 45,873 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 45,873 D. DKIL (a) Amount beneficially owned: 796,834 (b) Percent of class: 3.3% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 796,834 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 796,834 Schedule 13G CUSIP No. 03071L101 PAGE 24 OF 35 E. Serena (a) Amount beneficially owned: 22,182 (b) Percent of class: 0.1% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 22,182 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 22,182 F. MHD (a) Amount beneficially owned: 309,218 (b) Percent of class: 1.3% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 309,218 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 309,218 G. DKAI (a) Amount beneficially owned: 524,993 (b) Percent of class: 2.2% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 524,993 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 524,993 H. DKIA (a) Amount beneficially owned: 819,016 Schedule 13G CUSIP No. 03071L101 PAGE 25 OF 35 (b) Percent of class: 3.4% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 819,016 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 819,016 I. Thomas L. Kempner, Jr. (a) Amount beneficially owned: 1,699,100 (b) Percent of class: 7.1% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 1,699,100 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 1,699,100 J. Marvin H. Davidson (a) Amount beneficially owned: 1,699,100 (b) Percent of class: 7.1% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 1,699,100 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 1,699,100 K. Stephen M. Dowicz (a) Amount beneficially owned: 1,699,100 (b) Percent of class: 7.1% (c) Number of shares as to which such person has: Schedule 13G CUSIP No. 03071L101 PAGE 26 OF 35 (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 1,699,100 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 1,699,100 L. Scott E. Davidson (a) Amount beneficially owned: 1,699,100 (b) Percent of class: 7.1% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 1,699,100 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 1,699,100 M. Michael J. Leffell (a) Amount beneficially owned. 1,699,100 (b) Percent of class: 7.1% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 1,699,100 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 1,699,100 N. Timothy I. Levart (a) Amount beneficially owned: 1,699,100 (b) Percent of class: 7.1% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 1,699,100 Schedule 13G CUSIP No. 03071L101 PAGE 27 OF 35 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 1,699,100 O. Robert J. Brivio, Jr. (a) Amount beneficially owned: 1,699,100 (b) Percent of class: 7.1% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 1,699,100 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 1,699,100 P. Eric P. Epstein (a) Amount beneficially owned: 1,699,100 (b) Percent of class: 7.1% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 1,699,100 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 1,699,100 Q. Anthony A. Yoseloff (a) Amount beneficially owned: 1,699,100 (b) Percent of class: 7.1% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 1,699,100 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 1,699,100 Schedule 13G CUSIP No. 03071L101 PAGE 28 OF 35 R. Avram Z. Friedman (a) Amount beneficially owned: 1,699,100 (b) Percent of class: 7.1% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 0 (ii) shared power to vote or to direct the vote: 1,699,100 (iii) sole power to dispose or to direct the disposition: 0 (iv) shared power to dispose or to direct the disposition: 1,699,100 ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS. Not applicable. ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON. The partners, members or stockholders of each of the Reporting Persons, including the Principals, have the right to participate in the receipt of dividends from, or proceeds from the sale of, the securities held for the account of such Reporting Person in accordance with their ownership interests in such Reporting Person. The Reporting Persons disclaim all beneficial ownership as affiliates of a Registered Investment Adviser, and, in any case, disclaim beneficial ownership except as to the extent of their pecuniary interest in the shares. The Reporting Persons have elected to file Schedule 13G although such filing may not be required under the Securities Exchange Act of 1934, as amended (the "Act"). ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY. Not applicable. ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP. See Item 4. ITEM 9. NOTICE OF DISSOLUTION OF GROUP. Not applicable. ITEM 10. CERTIFICATION. (if filing pursuant to Rule 13d-1(c)) Each of the Reporting Persons hereby makes the following certification: Schedule 13G CUSIP No. 03071L101 PAGE 29 OF 35 By signing below we certify that, to the best of our knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. Schedule 13G CUSIP No. 03071L101 PAGE 30 OF 35 SIGNATURES After reasonable inquiry and to the best of our knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct. DATED: February 21, 2006 DAVIDSON KEMPNER PARTNERS By: MHD Management Co., its General Partner /s/ Thomas L. Kempner, Jr. -------------------------------------- Name: Thomas L. Kempner, Jr. Title: Managing Partner DAVIDSON KEMPNER INSTITUTIONAL PARTNERS, L.P. By: Davidson Kempner Advisers Inc., its General Partner /s/ Thomas L. Kempner, Jr. -------------------------------------- Name: Thomas L. Kempner, Jr. Title: President M.H. DAVIDSON & CO. By: /s/ Thomas L. Kempner, Jr -------------------------------------- Name: Thomas L. Kempner, Jr. Title: Managing Partner DAVIDSON KEMPNER INTERNATIONAL, LTD. By: Davidson Kempner International Advisors, L.L.C., its Investment Manager /s/ Thomas L. Kempner, Jr. -------------------------------------- Name: Thomas L. Kempner, Jr. Title: Executive Managing Member SERENA LIMITED By: Davidson Kempner International Advisors, L.L.C., its Investment Manager /s/ Thomas L. Kempner, Jr. -------------------------------------- Name: Thomas L. Kempner, Jr. Title: Executive Managing Member Schedule 13G CUSIP No. 03071L101 PAGE 31 OF 35 MHD MANAGEMENT CO. /s/ Thomas L. Kempner, Jr. -------------------------------------- Name: Thomas L. Kempner, Jr. Title: Managing Partner DAVIDSON KEMPNER ADVISERS INC. /s/ Thomas L. Kempner, Jr. -------------------------------------- Name: Thomas L. Kempner, Jr. Title: President DAVIDSON KEMPNER INTERNATIONAL ADVISORS, L.L.C. /s/ Thomas L. Kempner, Jr. -------------------------------------- Name: Thomas L. Kempner, Jr. Title: Executive Managing Member /s/ Thomas L. Kempner, Jr. -------------------------------------- Thomas L. Kempner, Jr. /s/ Marvin H. Davidson -------------------------------------- Marvin H. Davidson /s/ Stephen M. Dowicz -------------------------------------- Stephen M. Dowicz /s/ Scott E. Davidson -------------------------------------- Scott E. Davidson /s/ Michael J. Leffell -------------------------------------- Michael J. Leffell /s/ Timothy I. Levart -------------------------------------- Timothy I. Levart /s/ Robert J. Brivio, Jr. -------------------------------------- Robert J. Brivio, Jr. /s/ Eric P. Epstein -------------------------------------- Eric P. Epstein /s/ Anthony A. Yoseloff -------------------------------------- Anthony A. Yoseloff Schedule 13G CUSIP No. 03071L101 PAGE 32 OF 35 /s/ Avram Z. Friedman -------------------------------------- Avram Z. Friedman Schedule 13G CUSIP No. 03071L101 PAGE 33 OF 35 EXHIBIT 1 JOINT ACQUISITION STATEMENT PURSUANT TO RULE 13d-1(k) The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G, shall be filed on behalf of each of the undersigned without the necessity of filing additional joint acquisition statements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate. DATED: February 21, 2006 DAVIDSON KEMPNER PARTNERS By: MHD Management Co., its General Partner /s/ Thomas L. Kempner, Jr. -------------------------------------- Name: Thomas L. Kempner, Jr. Title: Managing Partner DAVIDSON KEMPNER INSTITUTIONAL PARTNERS, L.P. By: Davidson Kempner Advisers Inc., its General Partner /s/ Thomas L. Kempner, Jr. -------------------------------------- Name: Thomas L. Kempner, Jr. Title: President M.H. DAVIDSON & CO. By: /s/ Thomas L. Kempner, Jr -------------------------------------- Name: Thomas L. Kempner, Jr. Title: Managing Partner DAVIDSON KEMPNER INTERNATIONAL, LTD. By: Davidson Kempner International Advisors, L.L.C., its Investment Manager /s/ Thomas L. Kempner, Jr. -------------------------------------- Name: Thomas L. Kempner, Jr. Title: Executive Managing Member Schedule 13G CUSIP No. 03071L101 PAGE 34 OF 35 SERENA LIMITED By: Davidson Kempner International Advisors, L.L.C., its Investment Manager /s/ Thomas L. Kempner, Jr. -------------------------------------- Name: Thomas L. Kempner, Jr. Title: Executive Managing Member MHD MANAGEMENT CO. /s/ Thomas L. Kempner, Jr. -------------------------------------- Name: Thomas L. Kempner, Jr. Title: Managing Partner DAVIDSON KEMPNER ADVISERS INC. /s/ Thomas L. Kempner, Jr. -------------------------------------- Name: Thomas L. Kempner, Jr. Title: President DAVIDSON KEMPNER INTERNATIONAL ADVISORS, L.L.C. /s/ Thomas L. Kempner, Jr. -------------------------------------- Name: Thomas L. Kempner, Jr. Title: Executive Managing Member /s/ Thomas L. Kempner, Jr. -------------------------------------- Thomas L. Kempner, Jr. /s/ Marvin H. Davidson -------------------------------------- Marvin H. Davidson /s/ Stephen M. Dowicz -------------------------------------- Stephen M. Dowicz /s/ Scott E. Davidson -------------------------------------- Scott E. Davidson /s/ Michael J. Leffell -------------------------------------- Michael J. Leffell /s/ Timothy I. Levart -------------------------------------- Timothy I. Levart /s/ Robert J. Brivio, Jr. -------------------------------------- Robert J. Brivio, Jr. Schedule 13G CUSIP No. 03071L101 PAGE 35 OF 35 /s/ Eric P. Epstein -------------------------------------- Eric P. Epstein /s/ Anthony A. Yoseloff -------------------------------------- Anthony A. Yoseloff /s/ Avram Z. Friedman -------------------------------------- Avram Z. Friedman -----END PRIVACY-ENHANCED MESSAGE-----