Company: EVF
Filing Date: 2025-05-01
Form Type: 424B3
Source: 0001076598-25-000099
Chunk: 23

Company: Eaton Vance Senior Income Trust
Filing Date: 2025-05-01
Form: 424B3
Chunk 23
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IM has a decentralized approach towards investment management, consisting
of independent investment teams. Investment teams seek to integrate this Policy with their investment goals and client expectations, using
their vote to support sound corporate governance with the aim of enhancing long-term shareholder value, providing a high standard of transparency,
and enhancing companies' economic value. To that end, investment teams retain the overall vote decision. In some circumstances, MSIM may
further define guidelines that sit under this Policy providing more details on company expectations and voting decisions applicable to
certain strategies.

Under this Policy, proxy voting is led by our investment teams with
support from the Global Stewardship Team (“GST”). The GST supports investment teams to vote in accordance with the Client
Proxy Standard and comprises individuals who are separate from our investment teams. The GST is also responsible for the consistent application
of this Policy and the Proxy Voting Guidelines and for providing voting recommendations to investment teams. The GST also oversees the
proxy voting operational processes, vote execution and research.

As a result of MSIM’s independent investment team structure, a
situation may emerge in which different investment teams have different views on how to vote the same proxy in the best interest of their
respective clients. Under these circumstances, each investment team will vote according to their views.

B. Applicability of Policy

This Policy2
applies to proxy voting activities across MSIM. MSIM votes proxies on behalf of its sponsored funds and advisory clients that have granted
it the authority to do so and will vote the proxies in accordance with this Policy unless otherwise agreed with the client.

Certain MSIM exchange-traded funds (“ETFs”) will follow
Calvert Research and Management’s (“Calvert”) Proxy Voting Policies and Procedures and the Global Proxy Voting Guidelines
set forth in Appendix A of the Calvert Proxy Voting Policies and Procedures. MSIM’s oversight of Calvert’s proxy voting engagement
is ongoing pursuant to the 40 Act Fund Service Provider and Vendor Oversight Policy.

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The MSIM entities covered by this Equity Proxy Voting
Policy and Procedures (the “Policy”) currently include the following: Morgan Stanley AIP GP LP, Morgan Stanley Investment
Management Inc., Morgan Stanley Investment Management Limited, Morgan Stanley Investment Management Company, Morgan Stanley Saudi Arabia,
MSIM Fund Management (Ireland) Limited, Morgan Stanley Asia Limited, Morgan Stanley Investment Management (Japan) Co. Limited, Morgan
Stanley Investment Management Private Limited, Morgan Stanley Eaton Vance CLO Manager LLC, Eaton Vance Management, Boston Management and
Research