Mason Street Funds, Inc.
NSAR Filing
September 30, 2000
Sub Item 77O: Transactions effected pursuant to Rule 10f-3
OFFERINGS PURCHASED BY MASON STREET FUNDS IN WHICH
R.W. BAIRD WAS IN UNDERWRITING GROUP*
------NML PARTICIPATION------
ISSUE/ OFFER. SELLING TOTAL & % OF
ACCOUNT PRICE CONCESSION (000) OFFERING
AT&T WIRELESS GROUP TRACKING STOCK
MSF - GROWTH STOCK $29.50 $0.50 $118 0.00%
MSF - ASSET ALLOC 27 0.00%
SONIC INNOVATIONS
MSF - SMALL CAP GRWTH $14.00 $0.58 $ 14 0.03%
MSF - ASSET ALLOC 10 0.02%
STORAGE NETWORKS
MSF - SMALL CAP GRTH $27.00 $1.13 $ 14 0.01%
MSF - GROWTH STOCK 84 0.03%
MSF - ASSET ALLOC 11 0.00%
AXCELIS TECHNOLOGIES INC
MSF - GROWTH STOCK $22.00 $0.80 $172 0.05%
MSF - ASSET ALLOC 44 0.01%
ENTRAVISION COMMUNICATIONS
MSF - SMALL CAP GRTH $16.50 $0.62 $ 10 0.00%
MSF - ASSET ALLOC 7 0.00%
MSF - AGGR GROWTH 76 0.01%
MAINSPRING
MSF - SMALL CAP GRTH $12.00 $0.50 $ 7 0.01%
MSF - ASSET ALLOC 5 0.00%
CO SINE COMMUNICATIONS
MSF - SMALL CAP GRTH $23.00 $0.96 $ 32 0.01%
MSF - ASSET ALLOC 18 0.01%
*All companies have been in existence for 3 years
NML complied with the 2 day waiting period for each offering post trade date
No shares were designated to Baird by NML for all offerings