BLACKROCK SERIES, INC.

LEI: 549300NH38GBFL6FGA16

Entity

Legal Name

Legal Name Language Code

Legal Address

c/o THE CORPORATION TRUST INCORPORATED, 2405 YORK ROAD, SUITE 201 LUTHERVILLE TIMONIUM, Maryland (US-MD), 21093-2264 UNITED STATES

Headquarters Address

c/o BLACKROCK ADVISORS, LLC, c/o CORPORATION SERVICE COMPANY, 251 LITTLE FALLS DRIVE WILMINGTON, Delaware (US-DE), 19808 UNITED STATES

Legal Jurisdiction Country

UNITED STATES (US)

Legal Jurisdiction Region

Maryland (US-MD)

Registration Authority

Registration Authority ID

(US-MD): Business Services (Maryland Department of Assessments and Taxation) (RA000614)

Registration Authority Entity ID

D04976213

Entity Legal Form Code

Other (8888)

Other Legal Form

Business Corporation

Entity Category

FUND

Entity Status

ACTIVE

Entity Creation Date

1998-04-23 22:00:00

Legal Entity Events

Legal Entity Event 1

Event Type

CHANGE_LEGAL_FORM

Effective Date

2025-10-31 23:00:00

Recorded Date

2025-11-01 08:18:43

Validation Documents

SUPPORTING_DOCUMENTS

Event Status

COMPLETED

Legal Entity Event 2

Event Type

CHANGE_LEGAL_ADDRESS

Effective Date

2025-10-31 23:00:00

Recorded Date

2025-11-01 08:18:43

Validation Documents

SUPPORTING_DOCUMENTS

Event Status

COMPLETED

Legal Entity Event 3

Event Type

CHANGE_LEGAL_ADDRESS

Effective Date

2024-10-31 23:00:00

Recorded Date

2024-11-01 13:37:48

Validation Documents

SUPPORTING_DOCUMENTS

Event Status

COMPLETED

Legal Entity Event 4

Event Type

CHANGE_HQ_ADDRESS

Effective Date

2023-03-20 23:00:00

Recorded Date

2023-03-21 10:09:06

Validation Documents

SUPPORTING_DOCUMENTS

Event Status

COMPLETED

Relationships

Direct Parent

Parent Information Not Provided

Non-Disclosure Reason 1

Reason

NON_CONSOLIDATING

Ultimate Parent

Parent Information Not Provided

Non-Disclosure Reason 1

Reason

NON_CONSOLIDATING

Managing Fund Parent

Parent LEI

5493001LN9MRM6A35J74

Relationship Periods

Relationship Period 1

Start Date

1998-04-23 22:00:00

Period Type

RELATIONSHIP_PERIOD

Relationship Status

ACTIVE

Relationship Registration

Initial Registration Date

2023-10-30 08:01:55

Last Update Date

2025-11-11 07:55:59

Registration Status

PUBLISHED

Validation Sources

FULLY_CORROBORATED

Validation Documents

SUPPORTING_DOCUMENTS

Registration

Initial Registration Date

2018-03-05 15:32:00

Last Update Date

2025-11-11 07:55:59

Next Renewal Date

2026-12-01 12:19:13

Registration Status

ISSUED

Managing LOU

5299000J2N45DDNE4Y28

Validation Sources

FULLY_CORROBORATED

Validation Authority

Validation Authority ID

Securities and Exchange Commission (RA000665)

Validation Authority Entity ID

0001062806