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Significant recent events:

•We have continued to rapidly accrue patients in our 700 patient IMPRESS study of algenpantucel-L. We continue to believe this Phase 3 pivotal study will be fully enrolled in 2013. •We launched a Phase 3 clinical trial of algenpantucel-L (HyperAcute Pancreas) immunotherapy in patients with borderline resectable or locally advanced unresectable pancreatic cancer. •We launched an adaptive design Phase 2B/3 clinical trial of tergenpumatucel-L (HyperAcute Lung) immunotherapy in patients with non-small cell lung cancer. •We announced an investigator initiated, randomized, double blind placebo controlled Phase 2 study titled "Phase II Study of sipuleucel-T (PROVENGE®) plus indoximod (D-1MT) in the treatment of patients with asymptomatic or minimally symptomatic metastatic hormone refractory prostate cancer." This study is done in collaboration with Dendreon Corporation (DNDN) and the Masonic Cancer Center, University of Minnesota.

Upcoming Activities

NewLink expects to present at the following investor conferences:

•Jefferies Global Healthcare Conference, November 14-15, in London; •9th Annual Lazard Capital Markets Healthcare Conference, November 13-14, in New York City; •Piper Jaffray 24th Annual Healthcare Conference, November 27-28, in New York City.

About NewLink Genetics Corporation

NewLink Genetics Corporation is a biopharmaceutical company focused on discovering, developing and commercializing novel immunotherapeutic products to improve treatment options for cancer patients. NewLink's portfolio includes biologic and small-molecule immunotherapy product candidates intended to treat a wide range of oncology indications. NewLink's product candidates are designed to harness multiple components of the immune system to combat cancer without significant incremental toxicity, either as a monotherapy or in combination with other treatment regimens. NewLink's lead product candidate, algenpantucel-L (HyperAcute Pancreas) is being studied in a Phase 3 clinical trial in surgically resected pancreatic cancer patients (under a Special Protocol Assessment with the U.S. FDA) as well as in a separate study in locally advanced pancreatic cancer patients. NewLink has recently launched an adaptive design Phase 2B/3 clinical trial of tergenpumatucel-L (HyperAcute Lung) in patients with non-small cell lung cancer. NewLink is developing indoximod (d-1-methyltryptophan, or D-1MT), a small-molecule, orally bioavailable product candidate from NewLink's proprietary indoleamine-(2, 3)-dioxygenase, or IDO, pathway inhibitor technology. NewLink is studying indoximod in various chemotherapy and immunotherapy combination studies independently and in collaboration with the National Cancer Institute. For more information please visit http://www.linkp.com. Patient information is available at http://www.pancreaticcancer-clinicaltrials.com.

Cautionary Note Regarding Forward-Looking Statements
This press release contains forward-looking statements of NewLink that involve substantial risks and uncertainties. All statements, other than statements of historical facts, contained in this press release are forward-looking statements, within the meaning of The Private Securities Litigation Reform Act of 1995. The words "anticipate," "believe," "estimate," "expect," "intend," "may," "plan,""target," "potential," "will,""could," "should,""seek," or the negative of these terms or other similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. These forward-looking statements include, among others, statements about: NewLink's financial guidance for 2012; the timing for completion of enrollment of our Phase 3 clinical trial for our HyperAcute Pancreas cancer immunotherapy; the timing of release of clinical data from ongoing clinical studies; its plans related to moving additional indications into clinical development; NewLink's future financial performance, results of operations or sufficiency of capital resources to fund its operating requirements; and any other statements other than statements of historical fact. Actual results or events could differ materially from the plans, intentions and expectations disclosed in the forward-looking statements that NewLink makes due to a number of important factors, including those risks discussed in "Risk Factors" and elsewhere in NewLink's Annual Report on Form 10-K for the period ended December 31, 2011, in its Quarterly Report on Form 10-Q for the period ended September 30, 2012, and in its other filings with the Securities and Exchange Commission. The forward-looking statements in this press release represent NewLink's views as of the date of this press release. NewLink anticipates that subsequent events and developments will cause its views to change. However, while it may elect to update these forward-looking statements at some point in the future, it specifically disclaims any obligation to do so. You should, therefore, not rely on these forward-looking statements as representing NewLink's views as of any date subsequent to the date of this press release.