EX-99.77O RULE 10F-3 3 exh10f3.txt 10F3 TRANSACTIONS Credit Suisse High Yield Bond Fund Securities Purchases during an Underwriting involving Credit Suisse Asset Management, LLC subject to Rule 10f-3 under the Investment Company Act of 1940. For the period ended October 31, 2007 Portfolio: Credit Suisse High Yield Bond Fund Security: Community Health Systems Date Purchased: 7/25/2007 Price Per Share: $99.29 Shares Purchased by the Portfolio *: 205 Total Principal Purchased by the Portfolio *: $203,552.70 % of Offering Purchased by the Portfolio: 0.01% Broker: Merrill Lynch Member: Joint Lead Manager Security: First Data Corporation Date Purchased: 10/16/2007 Price Per Share: $94.80 Shares Purchased by the Portfolio *: 3,750 Total Principal Purchased by the Portfolio *: $335,485.00 % of Offering Purchased by the Portfolio: 0.17% Broker: CITIGROUP Member: Joint Lead Manager Security: TXU ENERGY CO LLC Date Purchased: 10/24/2007 Price Per Share: $100.00 Shares Purchased by the Portfolio *: 22,500 Total Principal Purchased by the Portfolio *: $415,000 % of Offering Purchased by the Portfolio: 0.75% Broker: GOLDMAN SACHS Member: Joint Lead Manager Security: BAUSCH & LOMB INC. Date Purchased: 10/16/2007 Price Per Share: $99.75 Shares Purchased by the Portfolio *: 1,450 Total Principal Purchased by the Portfolio *: $144,637.50 % of Offering Purchased by the Portfolio: 0.22% Broker: BANC OF AMER SECS Member: Joint Lead Manager Security: R H DONNELLEY CORP Date Purchased: 10/2/2007 Price Per Share: $100.00 Shares Purchased by the Portfolio *: 3,750 Total Principal Purchased by the Portfolio *: $376,386.72 % of Offering Purchased by the Portfolio: 0.25% Broker: JPMORGAN Member: CO-Manager