AmeriVest Properties Teleconference Alert: Second Quarter 2005 Earnings Investor Conference Call.

DENVER -- AmeriVest Properties Inc. (AMEX: AMV), a real estate investment trust serving small to medium-size office tenants, will hold a conference call on Friday, August 5, 2005, at 11:30 a.m. Mountain Daylight Time (1:30 p.m. Eastern, 12:30 p.m. Central, 10:30 a.m. Pacific) to discuss its second quarter results. A press release announcing the Company's results will be provided in advance of the call and the Company's earnings release and supplemental information will be posted to the Company's website prior to the conference call. The company's remarks will be followed by a question and answer period.

To participate in the conference call, please dial 800-548-8725 or for participants outside North America, please dial 706-634-5929 approximately ten minutes before the scheduled start of the call. A live audio webcast will be available on the Company's website. An audio replay of the call will be available two hours after the completion of the conference call until August 10, 2005, by calling 800-642-1687 or for participants outside North America, please dial 706-645-9291 and enter conference ID# 7767925. An audio replay will be available in the Investor Relations section of the Company's website, www.amvproperties.com.

Company Information

AmeriVest Properties Inc., with its principal office in Denver, Colorado, provides Smart Space for Small Business(TM) in Denver, Phoenix, Dallas and Indianapolis through the acquisition, repositioning and operation of multi-tenant office buildings in those markets. To receive AmeriVest's latest news and information, visit our website at www.amvproperties.com.

In addition to historical information, this press release contains forward-looking statements and information under federal securities laws. These statements are based on expectations, estimates and projections about the industry and markets in which AmeriVest operates, management's beliefs and assumptions made by management. While AmeriVest management believes the assumptions underlying its forward-looking statements and information are reasonable, such information is necessarily subject to uncertainties and may involve certain risks, many of which are difficult to predict and are beyond management's control. As such, these statements and information are not guarantees of future performance, and actual operating results may differ materially from what is expressed or forecasted in this press release. In particular, the factors that could cause actual operating results to differ materially include, without limitation, continued qualification as a real estate investment trust, the effects of general and local economic and market conditions, competition, regulatory changes, the ability to enter into new leases or renew leases on favorable terms, dependence on tenants' financial condition, the uncertainties of real estate development and acquisition activity, development and construction costs, insurance risks, the costs and availability of financing, potential liability relating to environmental matters and liquidity of real estate investments and other risks and uncertainties detailed in AmeriVest's 2004 Annual Report on Form 10-K and from time to time in the Company's filings with the Securities and Exchange Commission.