Boston Private Increases Investment in Coldstream Holdings.

Company Holds 46% Ownership of Firm

BOSTON -- Boston Private Financial Holdings, Inc. (Nasdaq: BPFH) today announced it has increased its investment in Coldstream Holdings, the parent of Coldstream Capital Management ("Coldstream"), a multi-client family office that provides

Walter M. Pressey, Boston Private President said, "We are delighted to take advantage of the opportunity to increase our investment in Coldstream Capital Management. Our interest in Coldstream, combined with our recent acquisition of Charter Bank, underscores our commitment to developing strong partnerships with the best wealth managers and private bankers in regions with very strong demographics."

Kevin Fitzwilson, Managing Director of Coldstream stated, "It has been five years since we joined the Boston Private Wealth Management family and it has been a great, synergistic relationship for us. During that period, we have grown our assets approximately three times to $1.2 billion. With Boston Private's recent addition of Charter Bank, we see significant opportunities to enhance our growth and build an even stronger business focusing on the high net worth and business communities."

Coldstream remains an unconsolidated affiliate partner of Boston Private.

Boston Private Financial Holdings has 14 operating affiliates that focus on private banking, investment management and financial planning in six regions across the U.S.: New England, New York, Florida, the Pacific Northwest, Northern California and Southern California.

Coldstream Capital

Coldstream Capital Management is a multi-client family office providing comprehensive and integrated wealth management services for individuals and families of significant wealth. Coldstream maintains offices in Bellevue, WA and Portland, OR.

Boston Private Financial Holdings, Inc.

Boston Private Financial Holdings, Inc. (NASDAQ: BPFH) is a wealth management firm that owns independently-operated financial services firms across the U.S. These affiliated firms comprise the Boston Private Wealth Management Group and provide private banking, wealth advisory and investment management services to the high net worth marketplace, selected businesses and institutions. Through strategic acquisitions in demographically attractive geographic areas, the Company forms wealth management clusters that deliver lifetime financial solutions on a local and national basis. The Company makes capital resources available to its member firms and works with them on growth strategies, marketing, leadership development, compliance and technology.

This press release may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, including, without limitation, statements with respect to Boston Private's strategy, plans, and intentions. These statements are based upon the current expectations of Boston Private's management and are subject to significant risks and uncertainties. Actual results and timing could differ from those set forth in the forward-looking statements. Factors that could cause Boston Private's results to differ materially from those described in the forward- looking statements can be found in Boston Private's other press releases, and Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, and Current Reports on Form 8-K filed with or furnished to the Securities and Exchange Commission. Boston Private does not undertake any obligation to update any forward-looking statement to reflect circumstances or events that occur after the date the forward-looking statements were made.