$PFL

PIMCO INCOME STRATEGY FUND: Supplement dated June 24, 2026 to the Fund’s Prospectus and Statement of Additional

Supplement dated June 24, 2026 to the Fund’s Prospectus and Statement of Additional — constitute qualifying income to a RIC for purposes of the 90% gross income test described above. If the Fund’s income or gain from a particular investment or activity were determined to constitute · non-qualifying income, which in certain cases may be determined retroactively, and the Fund’s nonqualifying income from all sources were to exceed 10% of its gross income in any taxable year, the Fund (8-K: Other Material Event)

PIMCO INCOME STRATEGY FUND filed an 8-K: Other Material Event

SEC 8-K — Other Material Event

Seeking Alpha·May 24

PTY: Despite Varying Tax Bills, 10% Yield Worth Considering

PIMCO's Corporate and Income Opportunity Fund (PTY) is a suitable investment for your income-focused portfolio, considering tax implications. Read more here.

Seeking Alpha·Sep 29

PIMCO CEF Update: Key Tidbits From The Shareholder Report

Coverage remained steady at nearly 70% on average for taxable funds. Borrowings ticked higher but remain in a six-month range. Click here for a detailed analysis.

PIMCO INCOME STRATEGY FUND filed an 8-K: Other Material Event

SEC 8-K — Other Material Event

Investing.com·Feb 27

This 3-Fund Instant Portfolio Could Pay You $70,784 in Dividends

PIMCO INCOME STRATEGY FUND filed an 8-K: Other Material Event

SEC 8-K — Other Material Event

Seeking Alpha·Jul 3

Chasing 15% High Yield Is Great In A Bear Market, Portfolio Stock Price Change From June 16

My portfolio yield went from 8% last year to 11% June 16th. I show a purchase yielding 15.8% and my current holdings that day. Read more here.