Idera Pharmaceuticals to Present at BIO Business Forum and Participate in Panel at BIO 2009

Business Wire, May 15, 2009

CAMBRIDGE, Mass. -- Idera Pharmaceuticals, Inc. (Nasdaq: IDRA), a biotechnology company engaged in the discovery and development of DNA- and RNA-based drug candidates targeted to Toll-like Receptors (TLR), today announced its participation in two sessions at the 2009 BIO International Convention taking place May 18-21, 2009 at the Georgia World Congress Center in Atlanta, GA.

Sudhir Agrawal, D. Phil., President, Chief Executive Officer and Chief Scientific Officer will present a corporate overview at 3:00 p.m. (EDT) on Wednesday, May 20, 2009 in Room 316 of the Business Forum.

In addition, Dr. Agrawal will participate in a panel entitled “Effectively Managing Multiple Deals Across a Technology Platform”, a session in the Business Development track. The panel will begin at 8:00 a.m. (EDT) on Thursday, May 21, 2009 in Room B313.

About Idera Pharmaceuticals, Inc.

Idera Pharmaceuticals develops drug candidates to treat infectious diseases, autoimmune and inflammatory diseases, cancer, and respiratory diseases, and for use as vaccine adjuvants. Our proprietary drug candidates are designed to modulate specific Toll-like Receptors, which are a family of immune system receptors that direct immune system responses. Our pioneering DNA and RNA chemistry expertise enables us to create drug candidates for internal development and generates opportunities for multiple collaborative alliances. For more information, visit www.iderapharma.com.

Idera Forward Looking Statements

This press release contains forward-looking statements concerning Idera Pharmaceuticals, Inc. that involve a number of risks and uncertainties. For this purpose, any statements contained herein that are not statements of historical fact may be deemed to be forward-looking statements. Without limiting the foregoing, the words "believes," "anticipates," "plans," "expects," "estimates," "intends," "should," "could," "will," "may," and similar expressions are intended to identify forward-looking statements. There are a number of important factors that could cause the Company’s actual results to differ materially from those indicated by such forward-looking statements, including whether products based on the Company’s technology will advance into or through the clinical trial process on a timely basis or at all and receive approval from the United States Food and Drug Administration or equivalent foreign regulatory agencies; whether, if the Company’s products receive approval, they will be successfully distributed and marketed; whether the Company’s cash resources will be sufficient to fund the its operations; and such other important factors as are set forth under the caption "Risk Factors" in the Company’s Quarterly Report on Form 10-Q for the three months ended March 31, 2009, which important factors are incorporated herein by reference. The Company disclaims any intention or obligation to update any forward-looking statements.