MIDAMERICAN ENERGY HOLDINGS CO

Beneficial ownership report for a holder of more than 5% (Schedule 13D)

Beneficial ownership report for a holder of more than 5% (Schedule 13D)

Beneficial ownership report for a holder of more than 5% (Schedule 13D)

Beneficial ownership report for a holder of more than 5% (Schedule 13D)

Certification of termination of registration of a class of securities (Section 12(b))

No description available

General form for quarterly reports under Section 13 or 15(d)

Definitive Proxy Statement

No description available

General form for quarterly reports under Section 13 or 15(d)

5

Post Effective Amendment to S-8

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

5,7

ITEM INFORMATION:

4,7

4,7

General form for quarterly reports under Section 13 or 15(d)

Annual report pursuant to Section 13 or 15(d) (amendment)

No description available

Definitive Proxy Statement

No description available

7

5,7

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

4,7

5,7

No description available

5,7

Definitive Proxy Statement

No description available

7

5,7

Registration of Securities on Exchange

5,7

No description available

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Post Effective Amendment to S-8

No description available

No description available

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933