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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNITED STATES </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>WASHINGTON, DC 20549 </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>FORM 8-K</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>CURRENT REPORT PURSUANT </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>TO SECTION 13 OR 15(D) OF THE</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES EXCHANGE ACT OF 1934</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Date of report (Date of earliest event reported):
<U>March 22, 2012 </U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Bacterin International Holdings, Inc.</B></P>

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    <TD STYLE="width: 100%; border-top: black 1pt solid; padding-right: 0; padding-left: 0">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Exact Name of Registrant as Specified in
        Its Charter)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 100%; border-bottom: black 1pt solid; padding-right: 0; padding-left: 0; font-size: 10pt; text-align: center">Delaware</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(State or Other Jurisdiction of Incorporation)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; border-bottom: black 1pt solid; padding-right: 0; padding-left: 0; font-size: 10pt; text-align: center">001-34951</TD>
    <TD STYLE="width: 50%; border-bottom: black 1pt solid; padding-right: 0; padding-left: 0; font-size: 10pt; text-align: center">20-5313323</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; font-size: 10pt; text-align: center">(Commission File Number)</TD>
    <TD STYLE="padding-right: 0; padding-left: 0">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(IRS Employer Identification No.)&nbsp;</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; border-bottom: black 1pt solid; padding-right: 0; padding-left: 0">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">600 Cruiser Lane</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Belgrade, Montana</P></TD>
    <TD STYLE="width: 50%; border-bottom: black 1pt solid; padding-right: 0; padding-left: 0; font-size: 10pt; text-align: center">59714</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; font-size: 10pt; text-align: center">(Address of Principal Executive Offices)</TD>
    <TD STYLE="padding-right: 0; padding-left: 0">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Zip Code)&nbsp;</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 100%; border-bottom: black 1pt solid; padding-right: 0; font-size: 10pt; text-align: center; padding-left: 0">(406) 388-0480</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Registrant&rsquo;s Telephone Number, Including
        Area Code)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 100%; border-top: black 1pt solid; padding-right: 0; padding-left: 0">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Former Name or Former Address, if Changed
        Since Last Report)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0.3in 0pt 0; text-align: center"></P></TD></TR>
</TABLE>


<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">Check the appropriate box below if the Form
8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions
(<U>see </U>General Instruction A.2. below):</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font-family: Wingdings 2">&#163;</FONT>
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings 2">&#163;</FONT>
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings 2">&#163;</FONT>
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings 2">&#163;</FONT>
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

<P STYLE="margin: 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 19%; font-size: 10pt; font-weight: bold; padding-right: 0; padding-left: 0">ITEM&nbsp;2.02.</TD>
    <TD STYLE="width: 81%; font-size: 10pt; font-weight: bold; text-align: justify; padding-right: 0; padding-left: 0">RESULTS OF OPERATIONS AND FINANCIAL CONDITION</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 27pt">&nbsp;&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">We are furnishing this
Item 2.02 in connection with the disclosure of information, in the form of the textual information from a press release on March
22, 2012 entitled &ldquo;Bacterin Announces Record 2011 Revenue of $30.1 Million; Up 96% Year-over-Year&rdquo; and filed as Exhibit
99.1 hereto.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">The information in
this Item 2.02 (including Exhibit 99.1 hereto) is being furnished pursuant to Item 2.02 and shall not be deemed to be &ldquo;filed&rdquo;
for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that
section.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">We do not have, and
expressly disclaim, any obligation to release publicly any updates or any changes in our expectations or any change in events,
conditions, or circumstances on which any forward-looking statement is based.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">The text included with
this report is available on our website located at <U>www.bacterin.com</U>, however the contents of our website are not incorporated
by reference herein.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">This Form 8-K contains
forward-looking statements that are subject to various assumptions, risks and uncertainties. These forward-looking statements may
include financial projections, revenue and earnings guidance and other statements or assumptions regarding our expectations and
beliefs. The Company believes that its expectations, as expressed in these statements are based on reasonable assumptions regarding
the risks and uncertainties inherent in achieving those expectations. These statements are not, however, guarantees of performance
and actual results may differ materially. Risks and uncertainties which may cause actual results to be different than expressed
or implied in our forward-looking statements include, but are not limited to, the risk factors described under the heading &ldquo;Risk
Factors&rdquo; in our Annual Report on Form 10-K. The Company expressly disclaims any current intention to update any forward-looking
statements as a result of new information or future events or developments.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>ITEM 9.01.&#9;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;FINANCIAL STATEMENTS AND EXHIBITS</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 6%; padding-right: 0; padding-left: 0">&nbsp;</TD>
    <TD STYLE="width: 7%; padding-right: 0; padding-left: 0">(d)</TD>
    <TD STYLE="width: 87%; padding-right: 0; padding-left: 0">Exhibits.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify">99.1</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify">Press Release dated March 22, 2012 entitled &ldquo;Bacterin Announces Record 2011 Revenue of $30.1 Million; Up 96% Year-over-Year&rdquo;</TD></TR>
</TABLE>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SIGNATURE</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">Pursuant to the requirements
of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned
hereunto duly authorized.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; padding-right: 0; padding-left: 0; text-align: justify">Dated:&nbsp; March 22, 2012</TD>
    <TD STYLE="width: 50%; padding-right: 0; padding-left: 0; text-align: justify"><B>BACTERIN INTERNATIONAL HOLDINGS, INC</B>.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-decoration: none; text-align: justify; border-bottom: Black 1pt solid">By: &nbsp;/s/ Guy S. Cook</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify">Name:&nbsp; Guy S. Cook</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-align: justify">Title: President and Chief Executive Officer<U> </U></TD></TR>
</TABLE>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>EXHIBIT INDEX</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;&nbsp;</P>

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<TR>
    <TD STYLE="width: 11%; vertical-align: top; padding-right: 0; padding-left: 0">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">99.1</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD STYLE="width: 2%; font-size: 10pt; padding-right: 0; padding-left: 0">&nbsp;</TD>
    <TD STYLE="width: 87%; vertical-align: top; font-size: 10pt; text-align: justify; padding-right: 0; padding-left: 0">Press Release of Bacterin International Holdings, Inc. dated March 22, 2012 entitled &ldquo;<FONT STYLE="font-size: 10pt">Bacterin Announces Record 2011 Revenue of $30.1 Million; Up 96% Year-over-Year&rdquo;</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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{"company-data": {"conformed-name": "Bacterin International Holdings, Inc.", "cik": "0001453593", "assigned-sic": "2836", "irs-number": "205313323", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-34951", "film-number": "12709373"}, "business-address": {"street1": "600 CRUISER LANE", "city": "BELGRADE", "state": "MT", "zip": "59714", "phone": "406-388-0480"}, "mail-address": {"street1": "600 CRUISER LANE", "city": "BELGRADE", "state": "MT", "zip": "59714"}, "former-company": {"former-conformed-name": "K KITZ INC", "date-changed": "20090108"}}
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
FORM 8-K
CURRENT REPORT PURSUANT
TO SECTION 13 OR 15(D) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of report (Date of earliest event reported):
March 22, 2012
Bacterin International Holdings, Inc.
(Exact Name of Registrant as Specified in
        Its Charter)
Delaware
(State or Other Jurisdiction of Incorporation)
001-34951
20-5313323
(Commission File Number)
(IRS Employer Identification No.)
600 Cruiser Lane
Belgrade, Montana
59714
(Address of Principal Executive Offices)
(Zip Code)
(406) 388-0480
(Registrant's Telephone Number, Including
        Area Code)
(Former Name or Former Address, if Changed
        Since Last Report)
Check the appropriate box below if the Form
8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions
(
see
General Instruction A.2. below):
£
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
£
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
£
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
£
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
ITEM 2.02.
RESULTS OF OPERATIONS AND FINANCIAL CONDITION
We are furnishing this
Item 2.02 in connection with the disclosure of information, in the form of the textual information from a press release on March
22, 2012 entitled "Bacterin Announces Record 2011 Revenue of $30.1 Million; Up 96% Year-over-Year" and filed as Exhibit
99.1 hereto.
The information in
this Item 2.02 (including Exhibit 99.1 hereto) is being furnished pursuant to Item 2.02 and shall not be deemed to be "filed"
for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that
section.
We do not have, and
expressly disclaim, any obligation to release publicly any updates or any changes in our expectations or any change in events,
conditions, or circumstances on which any forward-looking statement is based.
The text included with
this report is available on our website located at
www.bacterin.com
, however the contents of our website are not incorporated
by reference herein.
This Form 8-K contains
forward-looking statements that are subject to various assumptions, risks and uncertainties. These forward-looking statements may
include financial projections, revenue and earnings guidance and other statements or assumptions regarding our expectations and
beliefs. The Company believes that its expectations, as expressed in these statements are based on reasonable assumptions regarding
the risks and uncertainties inherent in achieving those expectations. These statements are not, however, guarantees of performance
and actual results may differ materially. Risks and uncertainties which may cause actual results to be different than expressed
or implied in our forward-looking statements include, but are not limited to, the risk factors described under the heading "Risk
Factors" in our Annual Report on Form 10-K. The Company expressly disclaims any current intention to update any forward-looking
statements as a result of new information or future events or developments.
ITEM 9.01.	     FINANCIAL STATEMENTS AND EXHIBITS
(d)
Exhibits.
99.1
Press Release dated March 22, 2012 entitled "Bacterin Announces Record 2011 Revenue of $30.1 Million; Up 96% Year-over-Year"
SIGNATURE
Pursuant to the requirements
of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned
hereunto duly authorized.
Dated:  March 22, 2012
BACTERIN INTERNATIONAL HOLDINGS, INC
.
By:  /s/ Guy S. Cook
Name:  Guy S. Cook
Title: President and Chief Executive Officer
EXHIBIT INDEX
99.1
Press Release of Bacterin International Holdings, Inc. dated March 22, 2012 entitled "
Bacterin Announces Record 2011 Revenue of $30.1 Million; Up 96% Year-over-Year"