JANUARY 1994: Joel
                                Marcus and Jerry Sudarsky founded
                                Alexandria, the first Real Estate Investment
                                Trust (“REIT”) to focus on the
                                life science industry.
                            
                            
                         
                        
                        
                            
                            
                                Jerry M. Sudarsky, Founder
                            
                         
                        
                        
                        
                            
                            
                                Joe Flom and Jerry Sudarsky on left, Joe
                                Jacobs on right. Jerry served on the board
                                of directors for Jacobs Engineering.
                            
                         
                        
                            
                                JUNE - DECEMBER 1994:
                                Alexandria’s acquires its first
                                properties in Torrey Pines, San Diego.
                            
                            
                         
                        
                            
                            
                                11099 North Torrey Pines, San Diego
                            
                         
                        
                            
                            
                                3535 General Atomics Court, San Diego
                            
                         
                        
                        
                            
                                MAY - DECEMBER 1996:
                                Alexandria expands into the Seattle and
                                Suburban Washington, D.C. markets.
                            
                            
                         
                        
                            
                            
                                1124 Columbia Street, Seattle
                            
                         
                        
                            
                            
                                1413 Research Boulevard, Rockville
                            
                         
                        
                        
                            
                                MAY 1997:
                                Alexandria Real Estate Equities, Inc.
                                executes an initial public offering, trading
                                on the New York Stock Exchange under the
                                ticker symbol “ARE”.
                            
                            
                         
                        
                            
                            
                                July 19, 2005 | NYSE bell ringing
                            
                         
                        
                            
                            
                                Patent and Trademark Office registration
                                certificate
                            
                         
                        
                            
                            
                                Photo from NYSE on first day of trading, May
                                28, 1997
                            
                         
                        
                            
                                1997: Alexandria
                                enters the Greater Boston and Research
                                Triangle Park markets
                            
                            
                         
                        
                            
                            
                                377 Plantation Street, Worcester
                            
                         
                        
                        
                            
                                1999: Alexandria
                                expands into the San Francisco Bay Area
                                market
                            
                            
                         
                        
                            
                            
                                2450 Bayshore Parkway, Mountain View
                            
                         
                        
                        
                            
                                2002: Alexandria
                                launches its first proprietary product , the
                                Science Hotel®, which was designed for
                                leading early-stage life science companies
                            
                            
                         
                        
                            
                            
                                The Science Hotel®, 790 Memorial Drive,
                                Cambridge
                            
                         
                        
                        
                            
                                2003: Alexandria
                                co-founds Accelerator Corporation in Seattle
                            
                            
                         
                        
                            
                            
                                1616 Eastlake Avenue East, Seattle
                            
                         
                        
                        
                            
                                SEPTEMBER 2005:
                                Alexandria breaks ground in Mission Bay, San
                                Francisco.
                            
                            
                         
                        
                            
                            
                                Groundbreaking Ceremony, 
1700 Owens
                                Street
                            
                         
                        
                        
                            
                                JULY 2006:
                                Alexandria announces purchase of premier
                                life science and technology campus in the
                                heart of Cambridge, Massachusetts,
                                Alexandria’s Technology Square.
                            
                            
                         
                        
                        
                        
                            
                                AUGUST 2010:
                                Alexandria acquires key personnel and
                                strategic facilities from Veralliance
                                Properties in San Diego.
                            
                            
                         
                        
                        
                            
                                SEPTEMBER 2010:
                                Alexandria opens New York City’s first
                                and only commercial life science park, the
                                Alexandria Center® for Life
                                Science.
                            
                            
                         
                        
                        
                        
                            
                                APRIL 2011:
                                Alexandria launches the first annual
                                Alexandria Summit®, a
                                groundbreaking forum for visionaries from
                                the medical, academic, industry, financial,
                                advocacy, and government communities to
                                tackle the most critical global healthcare
                                challenges shaping the future of life
                                science research and development.
                            
                            
                         
                        
                        
                        
                            
                                JULY 2011: ARE
                                receives Baa2/BBB- (stable outlook)
                                investment grade rating from two major
                                rating agencies.
                            
                            
                         
                        
                        
                        
                            
                                JULY 2012:
                                Alexandria rings The Closing Bell at the
                                NYSE to celebrate the Company's 15th
                                anniversary as a publicly traded company.
                            
                            
                         
                        
                        
                        
                            
                                2013: Alexandria
                                completes development and/or monetization of
                                Mission Bay life science cluster
                            
                            
                         
                        
                        
                            
                                2013: Alexandria
                                delivers 225 Binney Street, the first
                                development at Alexandria Center®
                                at Kendall Square
                            
                            
                         
                        
                            
                            
                                225 Binney Street, Cambridge
                            
                         
                        
                            
                                2013: Alexandria
                                delivers the West Tower at the Alexandria
                                Center® for Life Science in
                                New York City
                            
                            
                         
                        
                            
                            
                                430 East 29th Street, New York City
                            
                         
                        
                        
                            
                                2014: Alexandria
                                celebrates its 20th Anniversary
                            
                            
                         
                        
                        
                        
                            
                                2015 & 2016:
                                Alexandria wins back-to-back Nareit Investor
                                CARE (Communications and Reporting
                                Excellence) Gold Awards in the Large Cap
                                Equity REIT category
                            
                            
                         
                        
                        
                        
                            
                                MARCH 2017:
                                Alexandria joins S&P 500 Index
                            
                            
                         
                        
                        
                            
                                MAY 2017:
                                Alexandria rings The Opening Bell to
                                celebrate 20th anniversary as an NYSE Listed
                                REIT
                            
                            
                         
                        
                        
                            2019
                        
                        
                            
                                JANUARY 2019:
                                Alexandria celebrates the 25th anniversary
                                since its founding
                            
                            
                         
                        
                        
                            
                                JULY 2019:
                                Alexandria named the 2019 NAIOP Developer of
                                the Year
                            
                            
                         
                        
                        
                            2020
                        
                        
                            
                                2020: Amid the
                                COVID-19 pandemic, we maintained 24/7
                                operations across our campuses, enabling our
                                tenants to continue their vital work to
                                advance solutions for COVID-19 and other
                                challenges to human health
                            
                            
                         
                        
                        
                            2021
                        
                        
                            
                                2021:
                                Alexandria achieved multiple record-setting
                                milestones, including executing the highest
                                annual leasing volume in its history
                                aggregating 9.5 million RSF.
                            
                            
                         
                        
                        
                            2022
                        
                        
                            
                                May 2022: 
                                Alexandria rings The NYSE Opening Bell to
                                celebrate its 25th anniversary as an NYSE
                                Listed REIT