Stock Trading History of Shigenaga Dean A

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Shigenaga Dean A since year 2005. The trader's CIK number is 1311833. At the time of this reporting, Shigenaga Dean A is the Chief Financial Officer of Alexandria Real Estate Equities Inc . (stock ticker symbol are). See this page for all insider trading activities at Alexandria Real Estate Equities Inc .

Stock purchases, sales, and option exercises reported by insider *Shigenaga Dean A* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-05-22	ARE	Alexandria Real Estate Equities Inc	Sale	2,500	101.87	254,671
2008-02-15	ARE	Alexandria Real Estate Equities Inc	Sale	3,000	94.57	283,721
2007-11-20	ARE	Alexandria Real Estate Equities Inc	Sale	1,000	95.00	95,000
2007-05-09	ARE	Alexandria Real Estate Equities Inc	Option Exercise	2,400	38.44	92,250
2007-05-08	ARE	Alexandria Real Estate Equities Inc	Sale	3,400	107.13	364,242
2007-05-09	ARE	Alexandria Real Estate Equities Inc	Sale	2,400	108.75	261,000
2007-02-20	ARE	Alexandria Real Estate Equities Inc	Option Exercise	3,000	38.44	115,312
2007-02-20	ARE	Alexandria Real Estate Equities Inc	Sale	3,000	112.78	338,325
2006-08-15	ARE	Alexandria Real Estate Equities Inc	Option Exercise	2,000	38.44	76,875
2006-08-15	ARE	Alexandria Real Estate Equities Inc	Sale	2,000	95.56	191,110

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Shigenaga Dean A (Chief Financial Officer of Alexandria Real Estate Equities Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.