Soccio Phillip

Row 1 · 2026-01-30 · Exercise / conversion · Acquired 711.4381 · Balance 711.4381

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: As previously reported on a Form 4 dated February 4, 2025, the Reporting Person was granted phantom shares on January 31, 2025 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

F3: As previously reported on a Form 4 dated February 2, 2024, the Reporting Person was granted phantom shares on January 31, 2024 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

F4: As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was granted phantom shares on January 31, 2023 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 2 · 2026-01-30 · Disposition to issuer · Disposed 711.4381 · Balance 0

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: As previously reported on a Form 4 dated February 4, 2025, the Reporting Person was granted phantom shares on January 31, 2025 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

F3: As previously reported on a Form 4 dated February 2, 2024, the Reporting Person was granted phantom shares on January 31, 2024 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

F4: As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was granted phantom shares on January 31, 2023 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 3 · 2026-01-30 · Grant · Acquired 180.6685 · Balance 180.6685

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F5: These phantom shares vest in equal installments on each of the first three anniversaries of the award.

Row 4 · 2026-01-30 · Exercise / conversion · Disposed 343.7088 · Balance 687.4176

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: As previously reported on a Form 4 dated February 4, 2025, the Reporting Person was granted phantom shares on January 31, 2025 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 5 · 2026-01-30 · Exercise / conversion · Disposed 279.1196 · Balance 279.1196

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F3: As previously reported on a Form 4 dated February 2, 2024, the Reporting Person was granted phantom shares on January 31, 2024 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 6 · 2026-01-30 · Exercise / conversion · Disposed 88.6097 · Balance 0

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F4: As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was granted phantom shares on January 31, 2023 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 1 · 2024-10-04 · Sale · Disposed 229 · Balance 0

Row 1 · 2026-02-09 · Other · Acquired 104.75 · Balance 104.75

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: Effective as of February 9, 2026, BlackRock MuniHoldings Quality Fund II, Inc. (the "Target Fund") was reorganized into BlackRock MuniHoldings Fund, Inc. (the "Acquiring Fund"). In connection with this reorganization, phantom stock units previously awarded to Phillip Soccio in the Target Fund were reallocated to the Acquiring Fund. The number of phantom stock units in the Acquiring Fund (104.75 units at $11.87 per share) represents the value of the reporting person's former Target Fund phantom stock units converted at the exchange ratio used in the reorganization. No additional consideration was paid by the reporting person in connection with this reallocation.

Row 1 · 2026-02-09 · Other · Disposed 123.4793 · Balance 0

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: Effective as of February 9, 2026, BlackRock MuniHoldings Quality Fund II, Inc. (the "Target Fund") was reorganized into BlackRock MuniHoldings Fund, Inc. (the "Acquiring Fund"). In connection with this reorganization, phantom stock units previously awarded to Phillip Soccio in the Target Fund were reallocated to the Acquiring Fund, converted at the exchange ratio used in the reorganization.

Row 1 · 2026-02-23 · Other · Disposed 173.55 · Balance 0

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: Effective as of February 23, 2026, BlackRock MuniVest Fund, Inc. (the "Target Fund") was reorganized into BlackRock MuniYield Quality Fund III, Inc. (the "Acquiring Fund"). In connection with this reorganization, phantom stock units previously awarded to Phillip Soccio in the Target Fund were reallocated to the Acquiring Fund, converted at the exchange ratio used in the reorganization.

Row 1 · 2026-01-30 · Exercise / conversion · Acquired 44.4045 · Balance 44.4045

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was granted phantom shares on January 31, 2023 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 2 · 2026-01-30 · Disposition to issuer · Disposed 44.4045 · Balance 0

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was granted phantom shares on January 31, 2023 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 3 · 2026-01-30 · Exercise / conversion · Disposed 44.4045 · Balance 0

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was granted phantom shares on January 31, 2023 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 1 · 2021-01-29 · Exercise / conversion · Acquired 478.2411 · Balance 653.2411

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: As previously reported on a Form 4 dated February 4, 2020, the Reporting Person was granted phantom shares on January 31, 2020 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

F3: As previously reported on a Form 4 dated February 4, 2019, the Reporting Person was granted phantom shares on January 31, 2019 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 2 · 2021-01-29 · Disposition to issuer · Disposed 478.2411 · Balance 175

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: As previously reported on a Form 4 dated February 4, 2020, the Reporting Person was granted phantom shares on January 31, 2020 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

F3: As previously reported on a Form 4 dated February 4, 2019, the Reporting Person was granted phantom shares on January 31, 2019 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 3 · 2021-01-29 · Exercise / conversion · Disposed 326.8235 · Balance 653.6469

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: As previously reported on a Form 4 dated February 4, 2020, the Reporting Person was granted phantom shares on January 31, 2020 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 4 · 2021-01-29 · Exercise / conversion · Disposed 151.4176 · Balance 151.4176

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F3: As previously reported on a Form 4 dated February 4, 2019, the Reporting Person was granted phantom shares on January 31, 2019 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 1 · 2024-10-04 · Sale · Disposed 2,056 · Balance 0.76

Row 1 · 2026-02-23 · Other · Disposed 73.99 · Balance 0

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: Effective as of February 23, 2026, BlackRock MuniYield Quality Fund II, Inc. (the "Target Fund") was reorganized into BlackRock MuniYield Quality Fund, Inc. (the "Acquiring Fund"). In connection with this reorganization, phantom stock units previously awarded to Phillip Soccio in the Target Fund were reallocated to the Acquiring Fund, converted at the exchange ratio used in the reorganization.

Row 1 · 2026-02-23 · Other · Acquired 109.17 · Balance 109.17

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: Effective as of February 23, 2026, BlackRock MuniVest Fund, Inc. (the "Target Fund") was reorganized into BlackRock MuniYield Quality Fund III, Inc. (the "Acquiring Fund"). In connection with this reorganization, phantom stock units previously awarded to Phillip Soccio in the Target Fund were reallocated to the Acquiring Fund. The number of phantom stock units in the Acquiring Fund (109.17 units at $11.24 per share) represents the value of the reporting person's former Target Fund phantom stock units converted at the exchange ratio used in the reorganization. No additional consideration was paid by the reporting person in connection with this reallocation.

Row 1 · 2026-02-23 · Other · Acquired 64.88 · Balance 235.38

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: Effective as of February 23, 2026 BlackRock MuniYield Quality Fund II, Inc. Income Trust (the "Target Fund") was reorganized into BlackRock MuniYield Quality Fund, Inc. (the "Acquiring Fund"). In connection with this reorganization, phantom stock units previously awarded to Philip Soccio in the Target Fund were reallocated to the Acquiring Fund. The number of phantom stock units in the Acquiring Fund (64.88 units at $11.74 per share) represents the value of the reporting person's former Target Fund phantom stock units converted at the exchange ratio used in the reorganization. No additional consideration was paid by the reporting person in connection with this reallocation.

Row 1 · 2026-01-30 · Exercise / conversion · Acquired 54.7292 · Balance 54.7292

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: As previously reported on a Form 4 dated February 4, 2025, the Reporting Person was granted phantom shares on January 31, 2025 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

F3: As previously reported on a Form 4 dated February 2, 2024, the Reporting Person was granted phantom shares on January 31, 2024 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 2 · 2026-01-30 · Disposition to issuer · Disposed 54.7292 · Balance 0

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: As previously reported on a Form 4 dated February 4, 2025, the Reporting Person was granted phantom shares on January 31, 2025 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

F3: As previously reported on a Form 4 dated February 2, 2024, the Reporting Person was granted phantom shares on January 31, 2024 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 3 · 2026-01-30 · Grant · Acquired 76.5111 · Balance 76.5111

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F4: These phantom shares vest in equal installments on each of the first three anniversaries of the award.

Row 4 · 2026-01-30 · Exercise / conversion · Disposed 24.5376 · Balance 49.0751

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: As previously reported on a Form 4 dated February 4, 2025, the Reporting Person was granted phantom shares on January 31, 2025 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 5 · 2026-01-30 · Exercise / conversion · Disposed 30.1916 · Balance 30.1916

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F3: As previously reported on a Form 4 dated February 2, 2024, the Reporting Person was granted phantom shares on January 31, 2024 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 1 · 2026-01-30 · Exercise / conversion · Acquired 49.6147 · Balance 49.6147

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was granted phantom shares on January 31, 2023 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 2 · 2026-01-30 · Disposition to issuer · Disposed 49.6147 · Balance 0

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was granted phantom shares on January 31, 2023 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 3 · 2026-01-30 · Exercise / conversion · Disposed 49.6147 · Balance 0

F1: A phantom share is the economic equivalent of one share of common stock and, subject to the applicable vesting requirements, becomes payable in cash.

F2: As previously reported on a Form 4 dated February 2, 2023, the Reporting Person was granted phantom shares on January 31, 2023 payable in cash on vesting, which occurs in equal installments on each of the first three anniversaries of the grant date.

Row 1 · 2026-08-01 · Sale · Disposed 1,800 · Balance 0.2178