AEterna Zentaris Reports Third Quarter 2007 Financial and Operating Results

QUEBEC, Nov. 7 /PRNewswire-FirstCall/ - AEterna Zentaris Inc. , a global biopharmaceutical company focused on endocrine therapy and oncology, today reported financial and operating results for the third quarter ended September 30, 2007.

"Over the past five months, the executive management team completed a thorough review of our extensive pipeline and business operations with the goal of identifying our critical success factors and placing the appropriate clarity and prioritization surrounding our key value drivers," said David J. Mazzo, Ph.D., AEterna Zentaris' President and Chief Executive Officer. "By preparing this strategic roadmap, we have clearly established a solid foundation for the basis of our strategy and have identified the strategic levers we believe will ensure long-term, sustained growth. Our experienced team is highly focused on execution and committed to realizing the true value of our Company."

At September 30, 2007, the Company had consolidated cash and short-term investments of $47.6 million compared to $61 million as of December 31, 2006.

Consolidated revenues for the three-month period ended September 30, 2007 were $11.6 million, an increase of 9.4% compared to $10.6 million for the same period in 2006. The increase in consolidated revenues is mainly attributed to higher license fees revenues, partly reduced by lower sales of Cetrotide(R). The increase in license fees revenues is related to a milestone payment of $1.4 million received from our partner, Ardana Biosciences, Ltd., for the initiation of a Phase 3 study for the diagnosis of growth hormone disorders with our Growth Hormone Secretagogue, AEZS-130. The sales of Cetrotide(R) were lower for the three-month period ended September 30, 2007 compared to the same period in 2006, due to a significant first order of the product related to the launch in Japan in September 2006.

Consolidated R&D costs, net of tax credits and grants (R&D), were $10.1 million for the three-month period ended September 30, 2007 compared to $6.2 million for the same period in 2006. The increase in consolidated R&D expense is related to the additional expenses incurred for the ongoing Phase 3 program with cetrorelix in BPH, as well as further advancement of targeted, earlier clinical-stage development programs including AEZS-108.

Consolidated selling, general and administrative (SG&A) expenses were $6.1 million for the three-month period ended September 30, 2007 compared to $4.5 million for the same period in 2006. The increase in consolidated SG&A is related to the restructuring of the management team and the Board as well as the opening of a new office in Warren, New Jersey.

Consolidated loss from operations increased to $9.6 million for the three-month period ended September 30, 2007 compared to $5.8 million for the same period in 2006. The increase in consolidated loss from operations is attributable to increased R&D and SG&A expenses, partly offset by increased revenues.

Consolidated net loss from continuing operations for the three-month period ended September 30, 2007 was $8.7 million compared to $4.7 million for the same period in 2006. This increase in consolidated net loss from continuing operations is attributable to a combination of higher R&D, SG&A expenses and other expenses recorded during the three-month period ended September 30, 2007.

Consolidated net earnings from discontinued operations for the three-month period ended September 30, 2006 were $3.1 million and were completely attributable to the Company's former subsidiary Atrium Innovations which operations were excluded from consolidation effective on October 18, 2006.

Consolidated net loss for the three-month period ended September 30, 2007 was $8.7 million or $0.16 per basic and diluted share, compared to $1.6 million or $0.03 per basic and diluted share for the same period in 2006. The consolidated net loss increase for the three-month period ended September 30, 2007 is attributable to an increased net loss from continuing operations combined with the completion of the distribution of Atrium to AEterna Zentaris shareholders on January 2, 2007.

RESULTS FOR THE NINE-MONTH PERIOD ENDED SEPTEMBER 30, 2007

Consolidated revenues for the nine-month period ended September 30, 2007 were $33.8 million compared to $28.8 million for the same period in 2006. The increase in consolidated revenues is mainly attributed to increased sales of Cetrotide(R), due to the launch in Japan in September 2006, growth of Impavido (R), as well as additional license fees revenues.

Consolidated R&D costs, net of tax credits and grants, for the nine-month period ended September 30, 2007 were $26.3 million, compared to $20.2 million for the same period in 2006. The increase in consolidated R&D expense is related to the additional expenses incurred for the initiation in 2007 of our ongoing Phase 3 program with cetrorelix in BPH, as well as further advancement of targeted, earlier clinical-stage development programs including AEZS-108.

Consolidated SG&A expenses for the nine-month period ended September 30, 2007, were $15.8 million compared to $12.9 million for the same period in 2006. The increase in consolidated SG&A expenses is due to additional expenses related to the restructuring of the management team and the Board, as well as the opening of a new office in Warren, New Jersey.

Consolidated loss from operations for the nine-month period ended September 30, 2007 was $23 million compared to $17.3 million for the same period in 2006. The increase in consolidated loss from operations is attributable to increased R&D and SG&A expenses, partly offset by increased revenues.

Consolidated net loss from continuing operations for the nine-month period ended September 30, 2007 was $18.7 million compared to $15 million for the same period in 2006. This is attributable to higher R&D and SG&A expenses, partly offset by increased revenues from Cetrotide(R) and Impavido(R), lower other expenses and higher income tax recovery.

Consolidated net earnings from discontinued operations for the nine-month period ended September 30, 2006 were $9.3 million and were completely attributable to the Company's former subsidiary, Atrium Innovations, which operations were excluded from consolidation effective on October 18, 2006.

Consolidated net loss for the nine-month period ended September 30, 2007, was $18.7 million or $0.35 per basic and diluted share, compared to $5.7 million or $0.11 per basic and diluted share for the same period in 2006. This increase in consolidated net loss is attributable to an increased net loss from continuing operations combined with the completion of the distribution of Atrium to AEterna Zentaris shareholders on January 2, 2007.

CONFERENCE CALL

Management will be hosting a conference call for the investment community beginning at 10:00 a.m. Eastern Time today, Wednesday, November 7, 2007, to discuss results for the three-month period ended September 30, 2007.

To participate in the live conference call by telephone, please dial 416-644-3425, 514-807-8791 or 800-595-8550. Individuals interested in listening to the conference call on the Internet may do so by visiting www.aeternazentaris.com. A replay will be available on the Company's Web site for 30 days.

About AEterna Zentaris Inc.

AEterna Zentaris Inc. is global biopharmaceutical company focused on endocrine therapy and oncology with proven expertise in drug discovery, development and commercialization. News releases and additional information are available at www.aeternazentaris.com.

Forward-Looking Statements

This press release contains forward-looking statements made pursuant to the safe harbor provisions of the U.S. Securities Litigation Reform Act of 1995. Forward-looking statements involve known and unknown risks and uncertainties, which could cause the Company's actual results to differ materially from those in the forward-looking statements. Such risks and uncertainties include, among others, the availability of funds and resources to pursue R&D projects, the successful and timely completion of clinical studies, the ability of the Company to take advantage of business opportunities in the pharmaceutical industry, uncertainties related to the regulatory process and general changes in economic conditions. Investors should consult the Company's quarterly and annual filings with the Canadian and U.S. securities commissions for additional information on risks and uncertainties relating to the forward-looking statements. Investors are cautioned not to rely on these forward-looking statements. The Company does not undertake to update these forward-looking statements. We disclaim any obligation to update any such factors or to publicly announce the result of any revisions to any of the forward-looking statements contained herein to reflect future results, events or developments except if we are requested by a governmental authority or applicable law.

CONTACT: Jenene Thomas, Senior Director, Investor Relations & Corporate
Communications, (908) 938-1475, jenene.thomas@aeternazentaris.com; Paul
Burroughs, Media Relations, (418) 652-8525 ext. 406, Cell.: (418) 575-8982,
paul.burroughs@aeternazentaris.com

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