Products & Services The Swiss Stock Exchange Market Data Shares IPO History Addex Pharmaceuticals Ltd First Listing 22.05.2007 First Closing Price 68 CHF Transaction Size (Mio) 136.90 CHF Trading Information (as per first day of trading) ISIN CH0029850754 Symbol ADXN Security Number 2985075 Sector Health Care - 4500 Regulatory Standard International Reporting Standard Index member SPI/SPIEX/SXI® Life Siences Intermediaries Listing Agent Niederer Kraft & Frey Auditor PricewaterhouseCoopers SA Lead Bank Lehman Brothers International (Europe) Information on the Issue Security Details Class of Share Action nominative Nominal Value 1 CHF Total Shares outstanding (post issue; incl. Greenshoe - if any) 5'862'492 Allocation Details Primary Shares 1'875'000 Secondary Shares n/a Primary Greenshoe 281'250 Secondary Greenshoe n/a Greenshoe Details Executed no Ex-date n/a Executed Number of Shares n/a First Trading Day Details Price Range 55.00 - 75.00 CHF Issue Price 73 CHF First Open 75 CHF First Close 68 CHF Transaction Size in Mio. (incl. executed Greenshoe) 136.90 CHF Market Capitalisation in Mio. (based on first closing price) 399 CHF