On March 15, 2017, LMI Aerospace, Inc. (the Company) issued a
press release (the Earnings Press Release) announcing, among
other things, its financial performance for the fourth quarter
and year ended December 31, 2016. The full text of the Earnings
Press Release is attached as Exhibit 99.1 hereto and incorporated
herein by reference.

Exhibit 99.1 attached to this Current Report on Form 8-K is
deemed furnished to the Securities and Exchange Commission (the
SEC), and not filed with the SEC, and shall not be deemed
incorporated by reference by any general statement incorporating
by reference this Current Report on Form 8-K into any filing by
the Company under the Securities Act of 1933, as amended, or the
Exchange Act of 1934, as amended, and shall not otherwise be
deemed filed under such acts.

Section 7 – Regulation FD

Item 7.01. Regulation FD Disclosure.

On March 17, 2017, Daniel G. Korte, the President and Chief
Executive Officer of the Company, will give a slide presentation
regarding the growth history of the Company to the St. Louis
chapter of the Association for Corporate Growth. The presentation
will include an overview of the Companys previously announced
proposed merger with Sonaca S.A. A copy of the slide presentation
is attached as Exhibit 99.2 hereto.

Exhibit 99.2 attached to this Current Report on Form 8-K is
deemed furnished to the SEC, and not filed with the SEC, and
shall not be deemed incorporated by reference by any general
statement incorporating by reference this Current Report on Form
8-K into any filing by the Company under the Securities Act of
1933, as amended, or the Exchange Act of 1934, as amended, and
shall not otherwise be deemed filed under such acts.

Section 9 Financial Statements and Exhibits

Item 9.01. Financial Statements and Exhibits

Additional Information and Where to Find It

In connection with the proposed merger with a wholly-owned
indirect subsidiary of Sonaca S.A., the Company filed a
preliminary proxy statement with the SEC on Schedule 14A on March
15, 2017, and will file or furnish other relevant materials with
the SEC. Once the SEC completes its review of the preliminary
proxy statement, a definitive proxy statement and a form of proxy
will be filed with the SEC and mailed to the shareholders of the
Company. BEFORE MAKING ANY VOTING DECISION, THE COMPANYS
SHAREHOLDERS ARE URGED TO READ THE PROXY STATEMENT IN ITS
ENTIRETY WHEN IT BECOMES AVAILABLE AND ANY OTHER DOCUMENTS TO BE
FILED WITH THE SEC IN CONNECTION WITH THE PROPOSED MERGER OR
INCORPORATED BY REFERENCE IN THE PROXY STATEMENT (IF ANY) BECAUSE
THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE PROPOSED MERGER
AND THE PARTIES TO THE PROPOSED MERGER. Investors and
shareholders may obtain a free copy of documents filed by the
Company with the SEC at the SECs website at http://www.sec.gov.
In addition, investors and shareholders may obtain a free copy of
the Companys filings with the SEC from the Companys website at
http://www.lmiaerospace.com>or by directing a request to: LMI
Aerospace, Inc., 411 Fountain Lakes Boulevard, St. Charles,
Missouri 63301, Attention: Corporate Secretary, (636) 946-6525.

Participants in the Solicitation

The Company and certain of its directors, executive officers, and
certain other members of management and employees of the Company
may be deemed to be participants in the solicitation of proxies
from shareholders of the Company in favor of the proposed merger.
Information about directors and executive officers of the Company
and their ownership of the Companys common stock is set forth in
the Companys annual report on Form 10-K for the fiscal year ended
December 31, 2016, as filed with the SEC on

March 15, 2017, its preliminary proxy statement referenced above,
and its definitive proxy statement for its 2016 annual meeting of
shareholders, as filed with the SEC on Schedule 14A on April 29,
2016. Certain directors, executive officers, other members of
management and employees of the Company may have direct or
indirect interests in the proposed merger due to securities
holdings, vesting of equity awards, rights to severance payments
and other rights set forth in current employment agreements and
prospective employment agreements that are expected to become
effective as of the closing of the merger. Additional information
regarding the direct and indirect interests of these individuals
and other persons who may be deemed to be participants in the
solicitation will be included in the proxy statement with respect
to the merger the Company will file with the SEC and furnish to
the Companys shareholders.