PARKER & PARSLEY 83-A LTD

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

2

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

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

Written communication about a business combination transaction (Rule 425)

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

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

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

Written communication about a business combination transaction (Rule 425)

No description available

Written communication about a business combination transaction (Rule 425)

No description available

No description available

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)

No description available

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

No description available

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

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

No description available

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

4

No description available

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)

No description available