Filed pursuant to Rule 424(b)(3)
Registration No. 333-126485
Prospectus Supplement No. 4
(To Prospectus Dated December 2, 2005)
$175,000,000
Oil States International, Inc.
23/8%
Contingent Convertible Senior Notes due 2025
and Up to 5,511,811 shares of Common Stock Issuable Upon
Conversion of the Notes
This document supplements the prospectus dated December 2,
2005, relating to the offering for resale of our
23/8%
Contingent Convertible Senior Notes due 2025, and the shares of
our common stock issuable upon conversion of the notes. The
information in this prospectus supplement replaces and
supersedes the information set forth under the heading
“Selling Security Holders” in the prospectus dated
December 2, 2005.
Our common stock is listed on the New York Stock Exchange under
the symbol “OIS.” The last reported closing price of
our common stock on March 9, 2006 was $32.30 per share.
Investing
in our securities involves risks. See “Risk Factors”
beginning on page 8 of the prospectus.
Neither the Securities and Exchange Commission nor any state
securities commission has approved or disapproved of these
securities or passed upon the adequacy or accuracy of this
prospectus. Any representation to the contrary is a criminal
offense.
The date of this prospectus supplement is March 10, 2006.
SELLING SECURITY HOLDERS
The notes and any shares of our common stock issued upon
conversion of the notes, are being offered by the selling
security holders listed in the table below or referred to in a
prospectus supplement. The common stock which may be issued
directly by us upon conversion of notes which are purchased in a
sale contemplated by the prospectus to which this prospectus
supplement refers is not being offered by the selling security
holders. Only those shares of common stock issued upon
conversion of the notes may be offered by the selling security
holders. We issued and sold the notes in a private placement to
the initial purchaser, and the notes were simultaneously sold by
the initial purchaser to the selling security holders in
transactions exempt from registration under the Securities Act.
No offer or sale under the prospectus may be made by a holder of
the securities unless that holder is listed in the table in this
prospectus supplement or until that holder has notified us and a
supplement to the prospectus has been filed or an amendment to
the related registration statement has become effective. We will
supplement or amend the prospectus to include additional selling
security holders upon request and upon provision of all required
information to us.
The selling security holders may offer and sell, from time to
time, any or all of the notes or common stock issued upon
conversion of those notes.
The following table, is based solely on information provided to
us by the applicable selling security holder. This information
represents the most current information provided to us by the
selling security holders. Unless set forth below, to our
knowledge none of the selling security holders selling in
connection with the prospectus or prospectus supplement has held
any position or office with, been employed by, or otherwise has
had a material relationship with us or any of our affiliates
during the three years prior to the date of the prospectus or
prospectus supplement.
| Number of | ||||||||||||||||||||||||
| Number of | Shares of | Number of | ||||||||||||||||||||||
| Amount of | Percentage | Shares of | Common | Shares of | ||||||||||||||||||||
| Notes | of Notes | Amount of | Common Stock | Stock | Common Stock | |||||||||||||||||||
| Beneficially | Beneficially | Notes to be | Beneficially | that may be | Upon Completion | |||||||||||||||||||
| Owned ($) | Owned | Sold ($)(1) | Owned(2)(3) | Sold(1)(2)(3) | of Offering(1) | |||||||||||||||||||
|
Alexander Global Master Fund Ltd.(7)
|
$ | 8,000,000 | 4.6 | % | $ | 8,000,000 | 251,968 | 251,968 | 0 | |||||||||||||||
|
Aristeia International Limited(8)
|
16,800,000 | 9.6 | % | 16,800,000 | 529,132 | 529,132 | 0 | |||||||||||||||||
|
Aristeia Partners LP(9)
|
3,200,000 | 1.8 | % | 3,200,000 | 100,787 | 100,787 | 0 | |||||||||||||||||
|
Arkansas PERS(10)
|
615,000 | * | 615,000 | 19,370 | 19,370 | 0 | ||||||||||||||||||
|
Argent Classic Convertible Arbitrage Fund LP(38)
|
670,000 | * | 670,000 | 21,102 | 21,102 | 0 | ||||||||||||||||||
|
Argent Classic Convertible Arbitrage Fund Ltd(39)
|
4,780,000 | 2.7 | % | 4,780,000 | 150,550 | 150,550 | 0 | |||||||||||||||||
|
Argent Classic Convertible Arbitrage Fund II, LP(38)
|
170,000 | * | 170,000 | 5,354 | 5,354 | 0 | ||||||||||||||||||
|
Argentum Multistrategy Fund Ltd-Classic(39)
|
20,000 | * | 20,000 | 629 | 629 | 0 | ||||||||||||||||||
|
AstraZeneca Holdings Pension(10)
|
185,000 | * | 185,000 | 5,826 | 5,826 | 0 | ||||||||||||||||||
|
Bancroft Convertible Fund, Inc.
|
1,750,000 | * | 1,750,000 | 55,118 | 55,118 | 0 | ||||||||||||||||||
|
BNP Paribas Equity Strategies, SNC(4)(11)
|
653,000 | * | 653,000 | 28,749 | 20,566 | 8,183 | ||||||||||||||||||
|
Boilermakers Blacksmith Pension Trust(10)
|
800,000 | * | 800,000 | 25,196 | 25,196 | 0 | ||||||||||||||||||
|
BP Amoco PLC Master Trust(36)
|
964,000 | * | 964,000 | 30,362 | 30,362 | 0 | ||||||||||||||||||
|
Citadel Equity Fund Ltd.(12)
|
19,000,000 | 10.9 | % | 19,000,000 | 598,424 | 598,424 | 0 | |||||||||||||||||
|
The City of Southfield Fire & Police Retirement System(36)
|
36,000 | * | 36,000 | 1,133 | 1,133 | 0 | ||||||||||||||||||
(table continues on next page)
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| Number of | ||||||||||||||||||||||||
| Number of | Shares of | Number of | ||||||||||||||||||||||
| Amount of | Percentage | Shares of | Common | Shares of | ||||||||||||||||||||
| Notes | of Notes | Amount of | Common Stock | Stock | Common Stock | |||||||||||||||||||
| Beneficially | Beneficially | Notes to be | Beneficially | that may be | Upon Completion | |||||||||||||||||||
| Owned ($) | Owned | Sold ($)(1) | Owned(2)(3) | Sold(1)(2)(3) | of Offering(1) | |||||||||||||||||||
|
CNH CA Master Account, LP(37)
|
15,300,000 | 8.7 | % | 15,300,000 | 891,581 | 891,581 | 0 | |||||||||||||||||
|
CooperNeff Convertible Strategies (Cayman) Master Fund, LP(11)
|
140,000 | * | 140,000 | 4,409 | 4,409 | 0 | ||||||||||||||||||
|
Credit Suisse First Boston LLC(5)(13)
|
2,500,000 | 1.4 | % | 2,500,000 | 78,740 | 78,740 | 0 | |||||||||||||||||
|
Daimler Chrysler Corp. Emp. #1 Pension Plan, DTD(14)
|
3,685,000 | 2.1 | % | 3,685,000 | 116,062 | 116,062 | 0 | |||||||||||||||||
|
DBAG London(4)(41)
|
100,000 | * | 100,000 | 3,149 | 3,149 | 0 | ||||||||||||||||||
|
dbx — Convertible Arbitrage 9 Fund(7)
|
1,000,000 | * | 1,000,000 | 31,496 | 31,496 | 0 | ||||||||||||||||||
|
Delaware PERS(10)
|
350,000 | * | 350,000 | 11,023 | 11,023 | 0 | ||||||||||||||||||
|
Delta Airlines Master Trust(10)
|
170,000 | * | 170,000 | 5,354 | 5,354 | 0 | ||||||||||||||||||
|
Descartes Offshore Ltd.(15)
|
500,000 | * | 500,000 | 15,748 | 15,748 | 0 | ||||||||||||||||||
|
Descartes Partners L.P.(15)
|
2,800,000 | 1.6 | % | 2,800,000 | 88,188 | 88,188 | 0 | |||||||||||||||||
|
Duke Endowment(10)
|
160,000 | * | 160,000 | 5,039 | 5,039 | 0 | ||||||||||||||||||
|
Ellsworth Convertible Growth and Income Fund, Inc.
|
1,750,000 | * | 1,500,000 | 55,118 | 55,118 | 0 | ||||||||||||||||||
|
The Estate of James Campbell CH(36)
|
50,000 | * | 50,000 | 1,774 | 1,774 | 0 | ||||||||||||||||||
|
The Estate of James Campbell ESTZ(36)
|
367,000 | * | 367,000 | 11,559 | 11,559 | 0 | ||||||||||||||||||
|
Fidelity Financial Trust: Fidelity Convertible Securities
Fund(4)(16)
|
4,500,000 | 2.6 | % | 4,500,000 | 3,181,732 | 141,732 | 3,040,000 | |||||||||||||||||
|
FPL Group Employee Pension Plan(14)
|
545,000 | * | 545,000 | 17,165 | 17,165 | 0 | ||||||||||||||||||
|
Forest Fulcrum Fund LP(5)(26)
|
863,000 | * | 863,000 | 49,964 | 49,964 | (27) | 0 | |||||||||||||||||
|
Forest Multi-Strategy/Master Fund SPC(26)
|
464,000 | * | 464,000 | 26,791 | 26,791 | (28) | 0 | |||||||||||||||||
|
Forest Global Convertible Fund, Ltd., Class A-5(26)
|
1,234,000 | * | 1,234,000 | 71,444 | 71,444 | (29) | 0 | |||||||||||||||||
|
Franklin and Marshall College(14)
|
175,000 | * | 175,000 | 5,511 | 5,511 | 0 | ||||||||||||||||||
|
Froley Revy Convertible Arbitrage Offshore(10)
|
250,000 | * | 250,000 | 7,874 | 7,874 | 0 | ||||||||||||||||||
|
Frontpoint Convertible Arbitrage Fund, L.P.
|
1,000,000 | * | 1,000,000 | 31,496 | 31,496 | 0 | ||||||||||||||||||
|
Grace Brothers, Ltd.(17)
|
1,000,000 | * | 1,000,000 | 31,496 | 31,496 | 0 | ||||||||||||||||||
|
Grace Convertible Arbitrage Fund Ltd.(17)
|
3,500,000 | 2.0 | % | 3,500,000 | 110,236 | 110,236 | 0 | |||||||||||||||||
|
HFR CA Global Opportunity Master Trust(26)
|
1,321,000 | * | 1,321,000 | 76,553 | 76,553 | (31) | 0 | |||||||||||||||||
|
HFR RVA Select Performance Master Trust(26)
|
116,000 | * | 116,000 | 6,715 | 6,715 | (32) | 0 | |||||||||||||||||
|
Hotel Union & Hotel Industry of Hawaii Pension Plan(36)
|
147,000 | * | 147,000 | 4,629 | 4,629 | 0 | ||||||||||||||||||
|
ICI American Holdings Trust(10)
|
135,000 | * | 135,000 | 4,251 | 4,251 | 0 | ||||||||||||||||||
|
Institutional Benchmark Master Fund c/o Quattro Fund(18)
|
800,000 | * | 800,000 | 25,196 | 25,196 | 0 | ||||||||||||||||||
|
Institutional Benchmarks Master Fund, Ltd.(7)
|
1,000,000 | * | 1,000,000 | 31,496 | 31,496 | 0 | ||||||||||||||||||
|
Institutional Benchmarks Master Fund Ltd.(26)
|
1,352,000 | * | 1,352,000 | 78,275 | 78,275 | (34) | 0 | |||||||||||||||||
|
J.P.Morgan Securities Inc.(5)(19)
|
3,000,000 | 1.7 | % | 3,000,000 | 94,488 | 94,488 | 0 | |||||||||||||||||
(table continues on next page)
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| Number of | |||||||||||||||||||||||||
| Number of | Shares of | Number of | |||||||||||||||||||||||
| Amount of | Percentage | Shares of | Common | Shares of | |||||||||||||||||||||
| Notes | of Notes | Amount of | Common Stock | Stock | Common Stock | ||||||||||||||||||||
| Beneficially | Beneficially | Notes to be | Beneficially | that may be | Upon Completion | ||||||||||||||||||||
| Owned ($) | Owned | Sold ($)(1) | Owned(2)(3) | Sold(1)(2)(3) | of Offering(1) | ||||||||||||||||||||
|
KBC Convertibles Mac28 Fund, A Segregated Portfolio of KBC Alpha
Master Fund(4)(40)
|
1,700,000 | * | 1,700,000 | 53,543 | 53,543 | 0 | |||||||||||||||||||
|
KBC Convertible Opportunities Fund, A Segregated Portfolio of
KBC Alpha Master Fund(4)(40)
|
8,300,000 | 4.7 | % | 8,300,000 | 261,416 | 261,416 | 0 | ||||||||||||||||||
|
KBC Financial Products USA, Inc.(5)(20)
|
3,500,000 | * | 3,500,000 | 110,236 | 110,236 | 0 | |||||||||||||||||||
|
LLT Limited(26)
|
433,000 | * | 433,000 | 24,486 | 24,486 | (35) | 0 | ||||||||||||||||||
|
Lyxor/ Convertible Arbitrage Fund Limited(11)
|
78,000 | * | 78,000 | 2,456 | 2,456 | 0 | |||||||||||||||||||
|
Lyxor/Forest Fund Limited(26)
|
2,844,000 | 1.6 | % | 2,844,000 | 164,656 | 164,656 | (30) | 0 | |||||||||||||||||
|
Lyxor/ Quest Fund Ltd.(21)
|
1,200,000 | * | 1,200,000 | 37,795 | 37,795 | 0 | |||||||||||||||||||
|
Nuveen Preferred & Convertible Fund JQC(10)
|
3,185,000 | 1.8 | % | 3,185,000 | 100,282 | 100,282 | 0 | ||||||||||||||||||
|
Nuveen Preferred & Convertible Income Fund JPC(10)
|
2,325,000 | 1.3 | % | 2,325,000 | 73,228 | 73,228 | 0 | ||||||||||||||||||
|
Partners Group Alternative Strategies PCC Limited, Red Delta
Cell c/o Quattro Fund(22)
|
440,000 | * | 440,000 | 13,858 | 13,858 | 0 | |||||||||||||||||||
|
Quattro Fund Ltd.(23)
|
13,960,000 | 8.0 | % | 13,960,000 | 439,684 | 439,684 | 0 | ||||||||||||||||||
|
Quattro Multistrategy Masterfund LP(23)
|
800,000 | * | 800,000 | 25,196 | 25,196 | 0 | |||||||||||||||||||
|
Quest Global Convertible Master Ltd.(21)
|
800,000 | * | 800,000 | 25,196 | 25,196 | 0 | |||||||||||||||||||
|
Rampart Enhanced Convertible Investors, LLC(14)
|
595,000 | * | 595,000 | 18,740 | 18,740 | 0 | |||||||||||||||||||
|
RBC Capital Markets(5)(6)
|
16,000,000 | 9.1 | % | 16,000,000 | 503,936 | 503,936 | 0 | ||||||||||||||||||
|
Security Benefit Life(4)
|
700,000 | * | 700,000 | 22,047 | 22,047 | 0 | |||||||||||||||||||
|
Security Income High Yield Series(4)
|
300,000 | * | 300,000 | 9,448 | 9,448 | 0 | |||||||||||||||||||
|
Singlehedge US Convertible Arbitrage Fund(11)
|
57,000 | * | 57,000 | 1,795 | 1,795 | 0 | |||||||||||||||||||
|
Sphinx Convertible Arb Fund SPC c/o SSI Investment Mgt.(36)
|
388,000 | * | 388,000 | 12,220 | 12,220 | 0 | |||||||||||||||||||
|
Sphinx Convertible Arbitrage SPC(26)
|
1,228,000 | * | 1,228,000 | 71,086 | 71,086 | (33) | 0 | ||||||||||||||||||
|
State of Oregon Equity(10)
|
1,750,000 | 1.0 | % | 1,750,000 | 55,118 | 55,118 | 0 | ||||||||||||||||||
|
Sturgeon Limited(11)
|
72,000 | * | 72,000 | 2,267 | 2,267 | 0 | |||||||||||||||||||
|
Syngenta AG(10)
|
75,000 | * | 75,000 | 2,362 | 2,362 | 0 | |||||||||||||||||||
|
Tempo Master Fund, LP(4)
|
20,000,000 | 11.4 | % | 20,000,000 | 629,920 | 629,920 | 0 | ||||||||||||||||||
|
UBS Securities LLC(5)(42)
|
4,456,000 | 2.5 | % | 4,456,000 | 1,020,346 | 140,346 | 880,000 | ||||||||||||||||||
|
Viacom Inc. Pension Plan, Master Trust(31)
|
48,000 | * | 48,000 | 1,511 | 1,511 | 0 | |||||||||||||||||||
|
Vicis Capital Master Fund(24)
|
8,000,000 | 4.6 | % | 8,000,000 | 251,968 | 251,968 | 0 | ||||||||||||||||||
|
Wachovia Securities International Ltd.(4)(5)(25)
|
15,000,000 | 8.6 | 15,000,000 | 472,440 | 472,440 | 0 | |||||||||||||||||||
|
Xavex Convertible Arbitrage 10 Fund(38)
|
360,000 | * | 360,000 | 11,338 | 11,338 | 0 | |||||||||||||||||||
|
Total(43)
|
$ | 175,000,000 | 100.0 | % | $ | 175,000,000 | 9,439,983 | 5,511,800 | 3,928,183 | ||||||||||||||||
| * | Less than l%. |
| (1) | Because a selling security holder may sell all or a portion of the notes and common stock issuable upon conversion of the notes pursuant to this prospectus, an estimate cannot be given as to the number or percentage of notes and common stock that the selling security holder will hold upon termination of any sales. The information presented assumes that all of the selling security holders will fully convert the |
3
| notes for cash and shares of our common stock and that the selling security holders will sell all shares of our common stock that they received pursuant to such conversion. | ||
| (2) | Includes shares of common stock issuable upon conversion of the notes and open short positions in Oil States common stock. | |
| (3) | Represents the theoretical maximum number of shares of common stock which may be issued upon the conversion of the full amount of notes held by such holder at the initial conversion price of $31.75, which equals a conversion rate of the initial conversion rate of 31.496 shares per $1,000 principal amount of the notes. This conversion price is subject to adjustment as described under “Description of Notes — Conversion Price Adjustments.” Accordingly, the number of shares of our common stock to be sold may increase or decrease from time to time. Fractional shares will not be issued upon conversion of the notes. Cash will be paid instead of fractional shares, if any. | |
| (4) | This selling security holder has identified itself as an affiliate of a registered broker-dealer and has represented to us that such selling security holder acquired its notes or underlying common stock in the ordinary course of business and, at the time of the purchase of the notes or the underlying common stock, such selling security holder had no agreements or understandings, directly or indirectly, with any person to distribute the notes or underlying common stock. To the extent that we become aware that such selling security holder did not acquire its notes or underlying common stock in the ordinary course of business or did have such an agreement or understanding, we will file a post-effective amendment to the registration statement of which this prospectus forms a part to designate such affiliate as an “underwriter” within the meaning of the Securities Act of 1933. | |
| (5) | This selling security holder has identified itself as a registered broker-dealer and, accordingly, it is, under the interpretations of the Securities and Exchange Commission, an “underwriter” within the meaning of the Securities Act of 1933. Please see “Plan of Distribution” for required disclosure regarding these selling security holders. | |
| (6) | RBC Capital Markets was the initial purchaser in the private offering of all $175,000,000 aggregate principal amount of the notes. | |
| (7) | Mikhail A. Filimonov and Dimitri Sogoloff are the natural persons who have voting and investment control of the securities being offered. | |
| (8) | Aristeia Capital LLC is the investment manager for the selling security holder. Aristeia Capital LLC is jointly owned by Kevin Toner, Anthony Frascella, Robert H. Lynch and Bill Techer and as such these are the natural persons who have voting and investment control of the securities being offered. | |
| (9) | Aristeia Advisors LLC is the general partner of the selling security holder, Aristeia Advisors LLC is jointly owned by Kevin Toner, Anthony Frascella, Robert H. Lynch and Bill Techer and as such these are the natural persons who have voting and investment control of the securities being offered. |
| (10) | Ann Houlihan is the natural person who has voting and investment control of the securities being offered. |
| (11) | Christian Menestrier is the natural person who has voting and investment control of the securities being offered. |
| (12) | Citadel Limited Partnership (“Citadel”) is the trading manager of the selling security holder. Mr. Kenneth C. Griffin indirectly owns Citadel. As such, Kenneth C. Griffin is the natural person who has voting and investment control of the securities being offered. |
| (13) | Jeffrey Andrewship is the natural person who has voting and investment control of the securities being offered. |
| (14) | Jack Feiler is the natural person who has voting and investment control of the securities being offered. |
| (15) | Deepak Guilrajani is the natural person who has voting and investment control of the securities being offered. |
| (16) | Edward C. Johnson 3d is the natural person who has investment control of the securities being offered. Mr. Johnson does not have the power to vote the securities being offered. Such power resides in the Board of Trustees of the selling security holder. |
| (17) | Bradford Whitmore and Michael Brailov are the natural persons who have voting and investment control of the securities being offered. |
| (18) | Gary Krowdek is the natural person who has voting and investment control of the securities being offered. |
| (19) | Yibling Cui is the natural person who has voting and investment control of the securities being offered. |
4
| (20) | KBC Financial Products USA Inc. is an indirect wholly-owned subsidiary of KBC Bank N.V., which in turn is a direct wholly-owned subsidiary of KBC Bank & Insurance Holding Company N.V., a publicly traded entity. |
| (21) | Frank Campana and James Doolin are the natural persons who have voting and investment control of the securities offered. |
| (22) | Mark Rowe, Felix Hardner, Michael Fitchet and Denis O’Malley are the natural persons who have voting and investment control of the securities being offered. |
| (23) | Andrew Kapian, Brian Swain and Louis Napoli are the natural persons who have voting and investment control of the securities being offered. |
| (24) | John Succo, Sky Lucas and Shad Stastney are the natural persons who have voting and investment control of the securities being offered. |
| (25) | Steve Jones is the natural person who has voting and investment control of the securities being offered. |
| (26) | Michael A. Boyd is the natural person who has voting and investment control of the securities offered. |
| (27) | Includes 22,783 open short positions in Oil States common stock. |
| (28) | Includes 12,177 open short positions in Oil States common stock. |
| (29) | Includes 32,578 open short positions in Oil States common stock. |
| (30) | Includes 75,082 open short positions in Oil States common stock. |
| (31) | Includes 34,947 open short positions in Oil States common stock. |
| (32) | Includes 3,062 open short positions in Oil States common stock. |
| (33) | Includes 32,419 open short positions in Oil States common stock. |
| (34) | Includes 35,693 open short positions in Oil States common stock. |
| (35) | Includes 10,848 open short positions in Oil States common stock. |
| (36) | John Gottfurcht, George Douglas, Amy Jo Gottfurcht are the natural person who has voting and investment control of the securities being offered. |
| (37) | Includes 409,693 open short positions in Oil States common stock. |
| (38) | Nathanial Brown and Robert Richardson are the natural persons who have voting and investment control of the securities being offered. |
| (39) | Henry J. Cox is the natural person who has voting and investment control of the securities being offered. |
| (40) | Andrew Preston is the natural person who has voting and investment control of the securities being offered. |
| (41) | Patrick Corrigan is the natural person who has voting and investment control of the securities being offered. |
| (42) | Keith Ackerman is the natural person who has voting and investment control of the securities being offered. |
| (43) | The total amount of notes accounted for in the table is $216,511,000; the total number of shares of common stock beneficially owned and accounted for in the table is 10,747,413. The selling security holders listed in the above table may have sold or transferred, in transactions exempt from the registration requirements of the Securities Act or otherwise, some or all of the notes or shares of our common stock since the date on which the information in the above table was provided to us. |
| Because the selling security holders may offer all or some of their notes or the shares of our common stock issuable upon conversion of the notes from time to time, we cannot determine the amount of the notes or number of shares of our common stock that will be held by the selling security holders upon the termination of any particular offering by such selling security holder. Please refer to “Plan of Distribution” in the prospectus. |
Selling security holders who are registered broker-dealers are
“underwriters” within the meaning of the Securities
Act of 1933. In addition, selling security holders who are
affiliates of registered broker-dealers are
“underwriters” within the meaning of the Securities
Act of 1933 unless such selling security holder
(a) acquired its notes or underlying common stock in the
ordinary course of business or (b) did not have any
agreement or understanding, directly or indirectly, with any
person to distribute the notes or underlying common stock. To
our knowledge, no selling security holder who is a registered
broker-dealer or an affiliate of a registered broker-dealer
received any securities as underwriting compensation.
5