Key Characteristics as of 6/30/10

Top Ten Holdings1
  Coupon Maturity Date  
FNMA MBS 5.000 11/1/2039 4.31%
FHLMC MBS  6.000 8/1/2039 4.05%
FNMA MBS 5.500 12/1/2040 3.64%
FNMA MBS 4.500 12/1/2040 2.76%
U.S. Treasury Bonds  4.375  11/15/2039 1.61%
FHLMC CMO 5.500 9/15/2035 1.60%
Master Asset Securitization Trust  5.250 9/25/2033 1.37%
U.S. Treasury Notes 3.500 5/15/2020 1.31%
FHLMC MBS  5.500 12/1/2040 1.16%
CNH Equipment Trust  3.000 8/17/2015 1.12%
Total     22.93%
View Full Quarterly Holdings

Characteristics
Number of Holdings 286
Average Maturity (Years) 5.99
Average Duration (Years) 4.26
R-Squared3 0.75
Sector Allocations2
Corporate Notes/Bonds 35.5%
Mortgage Backed Securities 19.0%
CMBS 16.7%
CMOs 15.0%
Asset Backed Securities 6.4%
Treasury Notes/Bonds 3.8%
Taxable Municipals 1.4%
Tax Exempt Municipals 0.9%
Government Agencies 0.0%
Short-Term/ Other Assets and Liabilities 1.3%
1 Portfolio holdings are subject to change and should not be considered a recommendation to buy or sell individual securities.

2 Sector holdings are subject to change.

3 Risk characteristics are relative to Barclays Capital Aggregate Bond Index, and for the three-year period as of 6/30/10.

Portfolio holdings and sector weightings are subject to change and should not be considered a recommendation to buy or sell individual securities.

Other Investment Products

You should read the current RS Funds' Prospectus before investing. The RS Funds' Statement of Additional Information (SAI)  provides information about the Funds that may not be contained in the Prospectus.

RS Funds are sold by Prospectus only. You should carefully consider the investment objectives, risks, charges, and expenses of the RS Funds before making an investment decision. The prospectus contains this and other important information. Please read it carefully before investing or sending money. To obtain a printed copy, please call 800-766-3863.

If you are an existing shareholder and would like a copy of the prospectus or need to contact RS Investments, call 800-766-3863. If you are interested in learning more about and how to invest with RS, please contact your financial professional.

The information on this web site is intended for U.S. residents only. The information provided does not constitute a solicitation of an offer to buy, or an offer to sell securities in any jurisdiction to any person to whom it is not lawful to make such an offer.

RS Funds are distributed by: Guardian Investor Services LLC, 7 Hanover Square, New York, NY 10004.

RS is an independent subsidiary of Guardian Investor Services LLC. Guardian Investor Services LLC (GIS), is a registered broker-dealer, registered investment advisor, and a wholly owned subsidiary of The Guardian Life Insurance Company of America.

Not A Deposit / Not FDIC or NCUA Insured / May Lose Value / No Bank or Credit Union Guarantee

GIS is a member: FINRA and SIPC.

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RS Investments is the marketing name for RS Investment Management Co. LLC and its affiliates.