-----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, Ptj25bGghqXG32u5lN/eQJ9t+rixUbp/6rmiBnMPzsPBdxnHByr23spaIka/9fpU Xjp1yB6+KQ0cW5G3zmSfJA== 0000902664-06-001757.txt : 20060703 0000902664-06-001757.hdr.sgml : 20060703 20060630181309 ACCESSION NUMBER: 0000902664-06-001757 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20060703 DATE AS OF CHANGE: 20060630 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: 06939064 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: D.B. ZWIRN & CO., L.P. CENTRAL INDEX KEY: 0001243310 IRS NUMBER: 020597442 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 745 FIFTH AVENUE STREET 2: 18TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10151 BUSINESS PHONE: 646-720-9100 MAIL ADDRESS: STREET 1: 745 FIFTH AVENUE STREET 2: 18TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10151 FORMER COMPANY: FORMER CONFORMED NAME: HIGHBRIDGE ZWIRN CAPITAL MANAGEMENT LLC DATE OF NAME CHANGE: 20030717 FORMER COMPANY: FORMER CONFORMED NAME: HIGHBRIDGE/ZWIRN CAPITAL MANAGEMENT LLC DATE OF NAME CHANGE: 20030618 SC 13G 1 sc13g.txt AMERIVEST PROPERTIES INC. SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 AmeriVest Properties Inc. ------------------------------------------------------ (Name of Issuer) Common Stock, par value $0.001 per share ------------------------------------------------------ (Title of Class of Securities) 03071L101 ------------------------------------------------------ (CUSIP NUMBER) June 22, 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). Page 1 of 17 Pages CUSIP No. 03071L101 13G Page 2 of 17 Pages - -------------------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS D.B. Zwirn & Co., L.P. 20-0597442 - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC USE ONLY - -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES ----------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 1,286,490 OWNED BY ----------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ----------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 1,286,490 - -------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,286,490 - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.33% - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** PN - -------------------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 03071L101 13G Page 3 of 17 Pages - -------------------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS HCM/Z Special Opportunities LLC - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC USE ONLY - -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands, British West Indies - -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES ----------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 45,757 OWNED BY ----------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ----------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 45,757 - -------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 45,757 - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.19% - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** OO - -------------------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 03071L101 13G Page 4 of 17 Pages - -------------------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS The Coast Fund L.P. - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC USE ONLY - -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands, British West Indies - -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES ----------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 65,983 OWNED BY ----------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ----------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 65,983 - -------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 65,983 - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.27% - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** PN - -------------------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 03071L101 13G Page 5 of 17 Pages - -------------------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS D.B. Zwirn Special Opportunities Fund, Ltd. - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC USE ONLY - -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands, British West Indies - -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES ----------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 736,604 OWNED BY ----------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ----------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 736,604 - -------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 736,604 - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 3.05% - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** CO - -------------------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 03071L101 13G Page 6 of 17 Pages - -------------------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS D.B. Zwirn Special Opportunities Fund, L.P. 73-1637217 - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC USE ONLY - -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES ----------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 409,083 OWNED BY ----------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ----------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 409,083 - -------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 409,083 - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 1.70 - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** PN - -------------------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 03071L101 13G Page 7 of 17 Pages - -------------------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS D.B. Zwirn Special Opportunities Fund (TE), L.P. 20-0024165 - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC USE ONLY - -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES ----------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 29,063 OWNED BY ----------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ----------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 29,063 - -------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 29,063 - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0.12% - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** PN - -------------------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 03071L101 13G Page 8 of 17 Pages - -------------------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS DBZ GP, LLC 42-1657316 - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC USE ONLY - -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES ----------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 1,286,490 OWNED BY ----------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ----------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 1,286,490 - -------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,286,490 - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.33% - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** OO - -------------------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 03071L101 13G Page 9 of 17 Pages - -------------------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS Zwirn Holdings, LLC 30-0080444 - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC USE ONLY - -------------------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES ----------------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 1,286,490 OWNED BY ----------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ----------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 1,286,490 - -------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,286,490 - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.33% - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** OO - -------------------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 03071L101 13G Page 10 of 17 Pages - -------------------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS Daniel B. Zwirn - -------------------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (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 1,286,490 OWNED BY ----------------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING ----------------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 1,286,490 - -------------------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,286,490 - -------------------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] - -------------------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.33% - -------------------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** IN - -------------------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 03071L101 13G Page 11 of 17 Pages Item 1. (a) Name of Issuer AmeriVest Properties Inc. (the "Issuer") (b) Address of Issuer's Principal Executive Offices: 1780 S. Bellaire Street, Suite 100 Denver, Colorado 80222 Item 2(a). Name of Person Filing Item 2(b). Address of Principal Business Office Item 2(c). Citizenship D.B. Zwirn & Co, L.P. 745 Fifth Avenue, 18th Floor New York, NY 10151 Citizenship: Delaware HCM/Z Special Opportunities LLC P.O. Box 30554 Seven Mile Beach Grand Cayman, Cayman Islands British West Indies Citizenship: Cayman Islands, British West Indies D.B. Zwirn Special Opportunities Fund, L.P. c/o D.B. Zwirn & Co., L.P. 745 Fifth Avenue, 18th Floor New York, NY 10151 Citizenship: Delaware D.B. Zwirn Special Opportunities Fund (TE), L.P. c/o D.B. Zwirn & Co., L.P. 745 Fifth Avenue, 18th Floor New York, NY 10151 Citizenship: Delaware D.B. Zwirn Special Opportunities Fund, Ltd. c/o Goldman Sachs (Cayman) Trust, Limited P.O. Box 896 George Town Harbour Centre, 2nd Floor Grand Cayman, Cayman Islands British West Indies Citizenship: Cayman Islands, British West Indies The Coast Fund L.P. c/o Coast Asset Management, LLC 2450 Colorado Avenue Suite 100, East Tower Santa Monica, CA 90404 Citizenship: Cayman Islands, British West Indies DBZ GP, LLC c/o D.B. Zwirn & Co., L.P. 745 Fifth Avenue, 18th Floor CUSIP No. 03071L101 13G Page 12 of 17 Pages New York, NY 10151 Citizenship: Delaware Zwirn Holdings, LLC c/o D.B. Zwirn & Co., L.P. 745 Fifth Avenue, 18th Floor New York, NY 10151 Citizenship: Delaware Daniel B. Zwirn c/o D.B. Zwirn & Co., L.P. 745 Fifth Avenue, 18th Floor New York, NY 10151 Citizenship: United States (d) Title of Class of Securities Common Shares, par value $0.001 per share ("Shares") (e) CUSIP Number 03071L101 Item 3. If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b), check whether the person filing is a: (a) [ ] Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o). (b) [ ] Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c). (c) [ ] Insurance company as defined in Section 3(a)(19) of the Act (15 U.S.C. 78c). (d) [ ] Investment company registered under Section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). (e) [ ] An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E); (f) [ ] An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F); (g) [ ] A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G); (h) [ ] A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) [ ] A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); (j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J). If this statement is filed pursuant to Rule 13d-1(c), check this box. [x] Item 4. Ownership CUSIP No. 03071L101 13G Page 13 of 17 Pages (a) Amount Beneficially Owned As of the date of this filing, D.B. Zwirn & Co., L.P., DBZ GP, LLC, Zwirn Holdings, LLC, and Daniel B. Zwirn may each be deemed the beneficial owner of (i) 409,083 Shares owned by D.B. Zwirn Special Opportunities Fund, L.P., (ii) 736,604 Shares owned by D.B. Zwirn Special Opportunities Fund, Ltd., (iii) 45,757 Shares owned by HCM/Z Special Opportunities LLC, (iv) 29,063 Shares owned by D.B. Zwirn Special Opportunities Fund (TE), L.P. and (v) 65,983 Shares owned by The Coast Fund L.P. D.B. Zwirn & Co., L.P. is the manager of each of D.B. Zwirn Special Opportunities Fund, L.P., D.B. Zwirn Special Opportunities Fund, Ltd., HCM/Z Special Opportunities LLC, D.B. Zwirn Special Opportunities Fund (TE), L.P.; and The Coast Fund L.P., and consequently has voting control and investment discretion over the securities held by each of D.B. Zwirn Special Opportunities Fund, L.P., D.B. Zwirn Special Opportunities Fund, Ltd., HCM/Z Special Opportunities LLC, D.B. Zwirn Special Opportunities Fund (TE), L.P. and The Coast Fund L.P. Daniel B. Zwirn is the managing member of and thereby controls Zwirn Holdings, LLC, which in turn is the managing member of and thereby controls DBZ GP, LLC, which in turn is the general partner of and thereby controls D.B. Zwirn & Co., L.P. The foregoing should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of shares of Common Stock owned by another Reporting Person. In addition, each of D.B. Zwirn & Co., L.P., DBZ GP, LLC, Zwirn Holdings, LLC, and Daniel B. Zwirn disclaims beneficial ownership of shares of Common Stock owned respectively by D.B. Zwirn Special Opportunities Fund, L.P., D.B. Zwirn Special Opportunities Fund, Ltd., HCM/Z Special Opportunities LLC, D.B. Zwirn Special Opportunities Fund (TE), L.P. and The Coast Fund L.P. (b) Percent of Class Based upon the Issuer's quarterly report on form 10-Q filed on May 10, 2006, there were 24,128,206 Shares outstanding as of April 30, 2006. Therefore, (i) D.B. Zwirn Special Opportunities Fund, L.P. owns approximately 1.70% of the outstanding Shares, (ii) D.B. Zwirn Special Opportunities Fund, Ltd. owns approximately 3.05% of the outstanding Shares, (iii) HCM/Z Special Opportunities LLC owns approximately 0.19% of the outstanding Shares, (iv) D.B. Zwirn Special Opportunities Fund (TE), L.P. owns approximately 0.12% of the outstanding Shares, (v) The Coast Fund L.P. owns approximately 0.27% of the outstanding Shares and (vi) each of D.B. Zwirn & Co., L.P., DBZ GP, LLC, Zwirn Holdings, LLC, and Daniel B. Zwirn may be deemed to beneficially own 5.33% of the outstanding Shares. The foregoing should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of shares of Common Stock owned by another Reporting Person. (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: See Item 4(a) (ii) Shared power to vote or to direct the vote See Item 4(a) (iii) Sole power to dispose or to direct the disposition of See Item 4(a) CUSIP No. 03071L101 13G Page 14 of 17 Pages (iv) Shared power to dispose or to direct the disposition of See Item 4(a) 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. Not applicable. 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 Exhibit I. Item 9. Notice of Dissolution of Group Not applicable Item 10. Certification By signing below each of the undersigned certifies that, to the best of its 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. Exhibits: Exhibit I: Joint Filing Agreement, dated as of June 30, 2006, by and among D.B. Zwirn Special Opportunities Fund, L.P., D.B. Zwirn Special Opportunities Fund, Ltd., HCM/Z Special Opportunities LLC, D.B. Zwirn Special Opportunities Fund (TE), L.P., The Coast Fund L.P., D.B. Zwirn & Co., L.P., DBZ GP, LLC, Zwirn Holdings, LLC, and Daniel B. Zwirn CUSIP No. 03071L101 13G Page 15 of 17 Pages SIGNATURE After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information with respect to it set forth in this statement is true, complete, and correct. Dated: June 30, 2006 D.B. ZWIRN SPECIAL OPPORTUNITIES D.B. ZWIRN SPECIAL OPPORTUNITIES FUND, L.P. FUND, LTD. By: D.B. Zwirn & Co., L.P. By: D.B. Zwirn & Co., L.P. By: DBZ GP, LLC, By: DBZ GP, LLC, its General Partner its General Partner By: Zwirn Holdings, LLC, By: Zwirn Holdings, LLC, its Managing Member its Managing Member By: /s/ Daniel B. Zwirn By: /s/ Daniel B. Zwirn --------------------------------- --------------------------------- Name: Daniel B. Zwirn Name: Daniel B. Zwirn Title: Managing Member Title: Managing Member HCM/Z SPECIAL OPPORTUNITIES LLC D.B. ZWIRN SPECIAL OPPORTUNITIES FUND By: D.B. Zwirn & Co., L.P. (TE), L.P. By: DBZ GP, LLC, By: D.B. Zwirn & Co., L.P. its General Partner By: DBZ GP, LLC, By: Zwirn Holdings, LLC, its General Partner its Managing Member By: Zwirn Holdings, LLC, its Managing Member By: /s/ Daniel B. Zwirn --------------------------------- By: /s/ Daniel B. Zwirn Name: Daniel B. Zwirn --------------------------------- Title: Managing Member Name: Daniel B. Zwirn Title: Managing Member THE COAST FUND, L.P. D.B. ZWIRN & CO., L.P. By: D.B. Zwirn & Co., L.P. By: DBZ GP, LLC, By: DBZ GP, LLC, its General Partner its General Partner By: Zwirn Holdings, LLC, By: Zwirn Holdings, LLC, its Managing Member its Managing Member By: /s/ Daniel B. Zwirn By: /s/ Daniel B. Zwirn --------------------------------- -------------------------------- Name: Daniel B. Zwirn Name: Daniel B. Zwirn Title: Managing Member Title: Managing Member DBZ GP, LLC ZWIRN HOLDINGS, LLC By: Zwirn Holdings, LLC, its Managing Member By: /s/ Daniel B. Zwirn --------------------------------- By: /s/ Daniel B. Zwirn Name: Daniel B. Zwirn -------------------------------- Title: Managing Member Name: Daniel B. Zwirn Title: Managing Member /s/ Daniel B. Zwirn - ------------------------------------ DANIEL B. ZWIRN CUSIP No. 03071L101 13G Page 16 of 17 Pages EXHIBIT I JOINT FILING AGREEMENT This will confirm the agreement by and among the undersigned that the Schedule 13G filed with the Securities and Exchange Commission on or about the date hereof with respect to the beneficial ownership by the undersigned of the common stock of AmeriVest Properties Inc. is being filed, and all amendments thereto will be filed, on behalf of each of the persons and entities named below in accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. This Agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. Dated: June 30, 2006 D.B. ZWIRN SPECIAL OPPORTUNITIES D.B. ZWIRN SPECIAL OPPORTUNITIES FUND, L.P. FUND, LTD. By: D.B. Zwirn & Co., L.P. By: D.B. Zwirn & Co., L.P. By: DBZ GP, LLC, By: DBZ GP, LLC, its General Partner its General Partner By: Zwirn Holdings, LLC, By: Zwirn Holdings, LLC, its Managing Member its Managing Member By: /s/ Daniel B. Zwirn By: /s/ Daniel B. Zwirn --------------------------------- --------------------------------- Name: Daniel B. Zwirn Name: Daniel B. Zwirn Title: Managing Member Title: Managing Member HCM/Z SPECIAL OPPORTUNITIES LLC D.B. ZWIRN SPECIAL OPPORTUNITIES FUND By: D.B. Zwirn & Co., L.P. (TE), L.P. By: DBZ GP, LLC, By: D.B. Zwirn & Co., L.P. its General Partner By: DBZ GP, LLC, By: Zwirn Holdings, LLC, its General Partner its Managing Member By: Zwirn Holdings, LLC, its Managing Member By: /s/ Daniel B. Zwirn --------------------------------- By: /s/ Daniel B. Zwirn Name: Daniel B. Zwirn --------------------------------- Title: Managing Member Name: Daniel B. Zwirn Title: Managing Member THE COAST FUND, L.P. D.B. ZWIRN & CO., L.P. By: D.B. Zwirn & Co., L.P. By: DBZ GP, LLC, By: DBZ GP, LLC, its General Partner its General Partner By: Zwirn Holdings, LLC, By: Zwirn Holdings, LLC, its Managing Member its Managing Member By: /s/ Daniel B. Zwirn By: /s/ Daniel B. Zwirn --------------------------------- -------------------------------- Name: Daniel B. Zwirn Name: Daniel B. Zwirn Title: Managing Member Title: Managing Member DBZ GP, LLC ZWIRN HOLDINGS, LLC By: Zwirn Holdings, LLC, its Managing Member By: /s/ Daniel B. Zwirn --------------------------------- By: /s/ Daniel B. Zwirn Name: Daniel B. Zwirn -------------------------------- Title: Managing Member Name: Daniel B. Zwirn Title: Managing Member CUSIP No. 03071L101 13G Page 17 of 17 Pages /s/ Daniel B. Zwirn - ------------------------------------ DANIEL B. ZWIRN -----END PRIVACY-ENHANCED MESSAGE-----