Oberweis Funds :: China Opportunities Fund

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Fund Holdings

Top Ten Holdings as of 6/30/10

Sectors as of 6/30/10

Home Inns & Hotel Management, Inc.	2.9%
AsiaInfo Holdings, Inc.	2.2%
Zhuzhou CSR Times Electric Company, Ltd.	2.1%
China Automation Group, Ltd.	2.1%
Longtop Financial Technologies, Ltd.	2.0%
China High Speed Transmission Equipment Group Co., Ltd.	1.9%
Beijing Enterprises Water Group, Ltd.	1.9%
Lee & Man Paper Manufacturing, Ltd.	1.8%
51job, Inc.	1.8%
China Gas Holdings, Inc.	1.8%

Energy	0.5%
Materials	10.5%
Industrials	20.4%
Consumer Discretionary	21.1%
Consumer Staples	10.4%
Health Care	10.9%
Financials	2.7%
Information Technology	15.3%
Telecomm Service	0.0%
Utilities	7.0%
Cash	1.1%

Top Ten Holdings and Sector Weightings as a % of Total Net Assets excluding cash.

The Oberweis Funds releases the top ten holdings as of the most recent quarter-end after a 60-day lag. A complete list of holdings can be obtained by contacting a shareholder services representative after the aforementioned 60 day delay periods.

The Oberweis Funds invest primarily in small cap companies which may have volatile price movements. Continuous publication of the Funds current holdings has the potential to affect trading volume and the prices of the securities in which the Funds invest. By delaying the release of the holdings, Oberweis may be able to deter front-running by traders who could impair our ability to build positions in our best ideas at the best prices.

Portfolio holdings are subject to change at any time. References to specific securities should not be construed as a recommendation to buy or sell and should not be assumed profitable.

China Opportunities Fund Country Allocation

For the Quarter Ended 6/30/2010
	Oberweis China Opportunities Fund
China (includes The People's of Republic of China and Hong Kong)	97.4%
Singapore	0.9%
Other Countries *	0.6%
Cash	1.1%

Total	100.0%

Source: Thomson Portfolio Analytics
Country Allocation as a % of Total Net Assets excluding cash.
*Country Allocation is defined by the Company's primary country of operating risk and represents countries whose allocation in the Strategy or Index is 2% or More. Country allocations representing less than 2% are categorized in "Other Countries".