Page 28 - NovDefComp

MASSACHUSETTS MUTUAL LIFE INSURANCE COMPANY
Defined Benefit and Defined Contribution Recordkeeping

Investment Service Operations System

Information Processing

Investment Service Operations System Overview

MassMutual’s key business applications supporting the Investment Service Operations system applicable
to Defined Contributions and Defined Benefit Recordkeeping Operations are hosted at the Company's
Springfield, Massachusetts Data Center.
The following applications comprise the Investment Service Operations system platform.

Application Description
FUNDLinx FUNDLinx collects NAVs, unit values and portfolio investments for
group annuity and direct mutual fund investments; receives
distribution rates, NAVs, trades from the recordkeeping system and
action items from the National Securities Clearing Corporation
(NSCC); and transmits daily trades to the NSCC and to Mutual Fund
companies. FUNDlinx is a third party software package that transmits
daily trades to the National Securities Clearing Corporation (NSCC)
and Mutual Fund companies for execution. FUNDLinx is operated in
the Windows environment.

Consolidation and Receives the group annuity and direct mutual fund activity data feed
Routing System (CaRS) from PRS, CAS, and Unival, summarizes transactions to an omnibus
(summary by fund) level and feeds transactions to FUNDlinx. CaRS
is operated in an IBM AIX environment.

Fund Valuation System Unival collects and processes pricing related data including Net Asset
(Unival) Values (NAV) received from 3rd parties via electronic transmission, e-
mail and fax and transmits prices to the recordkeeping systems (i.e.
TRAC, OMNI, and CaRS for Reflex and CAS). Additionally, Unival
collects and compares critical data from multiple application and
supports investment product trading. Trades from DB and DC
recordkeeping platforms (such as OMNI, TRAC, and SE2) are
entered, posted and forwarded to FUNDLinx for aggregation and
transmittal to MassMutual's counter-parties.

TreX Workflow system based on Security Settings that stores documents
with the ability to perform numerous acts including but not limited to
Searching, Viewing, and Adding, Content as well as managing and
presenting multiple key business workflow solutions.

MassMutual Defined Benefit and Defined Description of the System Provided by
Contribution Investment Service Operations MassMutual
System
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