PROLOR Biotech Announces Dual Listing on TASE - Common Shares to List on both TASE and NYSE Amex Beginning Thursday, May 27, 2010 under Ticker Symbol PBTH – - Company Anticipates Joining TASE’s TA-75, TA-100, Tel-Tech 15 and Biomed Indexes beginning June 13, 2010 -

Press Release
27/05/2010
 
Nes-Ziona, Israel – May 25, 2010 – PROLOR Biotech, Inc., (NYSE Amex: PBTH), a company developing next generation biobetter therapeutic proteins, today announced that the Tel Aviv Stock Exchange (TASE) has approved the dual listing of PROLOR’s common stock on the TASE beginning on Thursday, May 27, 2010. At that time, the Company’s common stock will become listed on both the NYSE Amex in the United States and the TASE in Israel. The Company also announced today that, based upon PROLOR’s current market capitalization, it expects its shares to be subject to inclusion in four TASE equity indexes beginning June 13, 2010: the TA-100, TA-75, Tel-Tech 15 and Biomed. 
 
“PROLOR’s unique technologies have the potential to dramatically improve the treatment of prevalent diseases and conditions worldwide, as demonstrated by the recent regulatory approval of Merck’s CTP-enhanced protein in Europe,” said Shai Novik, President of PROLOR.  “This dual listing reflects the Company’s significant global prospects while providing us with both greater liquidity and access to capital, including Israel-focused institutional investors.”  Mr. Novik added: “We look forward to joining Israel’s top companies and biopharmaceutical innovators as part of the TA-75, TA-100, Tel Tech 15 and Biomed indexes.”
 
“We are very pleased to welcome PROLOR to the Tel Aviv Stock Exchange,” said Ester Levanon, CEO of the Tel Aviv Stock Exchange. “The TASE is home to Israel’s most innovative companies among them over 50 dual-listed companies. Dual listing provides a variety of benefits to companies such as PROLOR, including added exposure to Israeli investors, greater liquidity, expanded trading hours and access to TASE index funds.”
 
PROLOR is, and will remain, subject to the applicable rules and regulations of NYSE Amex-listed companies and the U.S. Securities and Exchange Commission.  Under Israel’s Dual Listing Law, U.S.-listed companies may dual-list on the TASE without any additional regulatory requirements. Trading on the TASE occurs Sunday through Thursday from 8:30 am to 4:30 pm Israel time, except on TASE trading holidays, and on the NYSE Amex Monday through Friday, 9:30 am to 4:00 pm Eastern Time, except on NYSE Amex holidays.  The TASE Clearing House is electronically linked to the Depository Trust Company, a subsidiary of the Depository Trust & Clearing Corporation, to automate the cross-border settlement of shares listed on both the TASE and a U.S. Exchange.
 
 
ABOUT PROLOR BIOTECH  
 
PROLOR Biotech, Inc. is abiopharmaceutical company applying unique technologies, including its patented CTP technology, primarily to develop longer-acting, biobetter, proprietary versions of already approved therapeutic proteins that currently generate billions of dollars in annual global sales.  The CTP technology is applicable to virtually all proteins and PROLOR is currently developing long-acting versions of human growth hormone, which is in clinical development, and interferon beta, factor VII, factor IX and erythropoietin, which are in preclinical development, as well as GLP-1 and other therapeutic peptides.  For more information on PROLOR, visit www.prolor-biotech.com.