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Overall Net Exp 10-Yr/ Gross 3-Yr Perf Incep Morningstar Since 5-Yr 3-Yr 1-Yr YTD 3-Mo Exp Ratio Ratio 1 Risk Date Incep* (%) (%) Rating TM 21.13 11/15/2010 14.69 16.44 17.37 26.20 26.20 17.19 0.71 0.71 ★★★★ ★★★★ ★★★ ★★★ 383 504 564 604 35 62 61 72 21.75 02/01/1995 15.04 18.66 20.50 35.59 35.59 19.02 21.98 9/1/1935 13.83 17.80 19.77 39.26 39.26 21.03 1.16 3.69 08/09/2019 8.56 1.65 1.65 29.94 259 358 386 416 58 26.49 12/31/1978 8.66 9.65 3.72 4.63 4.63 33.36 0.47 0.47 ★★★★★ 24.72 07/07/1997 12.02 13.61 11.23 19.12 19.12 27.10 0.04 0.04 ★★★★★ ★★★★★ ★★★★★ 367 517 629 671 5 6 8 20 25.63 12/31/1978 11.20 13.26 10.25 19.96 19.96 31.37 24.94 6/1/1956 9.83 10.50 6.41 10.99 10.99 28.06 1.11 1.45 07/22/2019 25.36

Ticker MEFZX WTIXMX VSCIX WTIXLX RWIGX

Share Class Type Inst Inst Retirement

Name / Benchmark & Morningstar Category Info MassMutual Select Mid Cap Growth I Russell Mid Cap Growth TR USD Small Cap Growth Fund CL I1 American Funds Capital World Gr&Inc R6 MSCI ACWI Large Cap NR USD

Performance As of: 12‐31‐2020

US OE Mid-Cap Growth Morningstar Ratings # of Funds in Category Morningstar Peer Rating % US Fund Mid-Cap Growth US SA Small Value Small Cap Value Fund CL I1 Morningstar Ratings # of Funds in Category Morningstar Peer Rating % Russell 2000 Value TR USD US SA Small Value US OE Small Blend Vanguard Small Cap Index I Morningstar Ratings # of Funds in Category Morningstar Peer Rating % Russell 2000 TR USD US Fund Small Blend US SA Small Growth Morningstar Ratings # of Funds in Category Morningstar Peer Rating % Russell 2000 Growth TR USD US SA Small Growth US OE World Large Stock Morningstar Ratings # of Funds in Category Morningstar Peer Rating % US Fund World Large Stock

Inv. Type MF MF MF