Stock Trading History of Chadderdon Dale L

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 Chadderdon Dale L since year 2005. The trader's CIK number is 1256693. At the time of this reporting, Chadderdon Dale L is the EVP & CFO, Secretary & Treas. of United Bancorp Inc /mi/ (stock ticker symbol UBMI).

Stock purchases, sales, and option exercises reported by *Chadderdon Dale L* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-10-31	UBMI.OB	United Bancorp Inc /mi/	Purchase	20	20.30	406
2007-06-07	UBMI.OB	United Bancorp Inc /mi/	Purchase	28	22.75	637
2007-05-08	UBMI.OB	United Bancorp Inc /mi/	Purchase	350	44.40	15,540
2007-05-01	UBMI.OB	United Bancorp Inc /mi/	Purchase	27	44.90	1,212
2007-02-07	UBMI.OB	United Bancorp Inc /mi/	Purchase	637	44.58	28,399
2007-01-31	UBMI.OB	United Bancorp Inc /mi/	Purchase	3	44.15	132
2007-01-23	UBMI.OB	United Bancorp Inc /mi/	Purchase	102	44.25	4,513
2006-12-08	UBMI.OB	United Bancorp Inc /mi/	Purchase	255	44.40	11,322
2006-10-31	UBMI.OB	United Bancorp Inc /mi/	Purchase	22	44.75	984
2006-07-31	UBMI.OB	United Bancorp Inc /mi/	Purchase	30	45.00	1,350
2006-07-06	UBMI.OB	United Bancorp Inc /mi/	Purchase	1,066	47.00	50,102
2006-06-29	UBMI.OB	United Bancorp Inc /mi/	Purchase	111	48.00	5,328
2006-01-27	UBMI.OB	United Bancorp Inc /mi/	Purchase	69	61.12	4,217
2006-01-10	UMBI.OB	United Bancorp Inc /mi/	Option Exercise	630	60.00	37,800

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 Chadderdon Dale L (EVP & CFO, Secretary & Treas. of United Bancorp Inc /mi/ at the time of this reporting) see the Securities and Exchange Commission (SEC) website.