Composite Technology Announces Correction Regarding Press Release of Sales to Indonesia

IRVINE, California, June 30, 2011 -

- ACCC® Conductor
Sales Total Greater Than Reported

Composite Technology Corporation (CTC) (OTC Bulletin Board:
CPTCQ) announced yesterday that its subsidiary, CTC Cable
Corporation had made two sales of ACCC® core to PT KMI Wire and
Cable Tbk (KMI). The first order for the Pangkalan Brandan- Langsa
project totaled 241 kilometers of ACCC®core, not 141 kilometers.
The second order for the Mranggen Incomer line was reported
accurately at 108 kilometers. These two orders totaling 349
kilometers of ACCC® core are for manufacture of ACCC® conductor and
scheduled for delivery and installation this year.

The completion of these two projects will total eight ACCC®
conductor installations on the Indonesian grid, not five as
reported yesterday. PT. PLN (Persero), the sole provider of
electricity in Indonesia, selected ACCC® technology due to its
superior overall performance in terms of capacity, sag and
losses.

CTC Cable is the major global supplier of composite core
conductor with over 10,000 kilometers (6,214 miles) of conductor
ordered for over 160 commercial deployments on transmission and
distribution lines.

About PT KMI Wire and Cable Tbk:

PT KMI Wire and Cable Tbk, formerly known as PT GT Kabel
Indonesia Tbk, is a public-listed Indonesian cable manufacturer,
situated in Eastern Jakarta and employs more than 700 people. It
was established in 1972 as PT Kabelmetal Indonesia by
Kable-und-Metallwerke Guetehoffnungshuette AG of Germany. The
Company’s products include aluminum and copper rods, both
non-insulated and insulated aluminum and copper electrical cables,
as well as control, flexible and instrument cables. It sells its
products to both domestic and international markets. Certificates
of ISO 9001, ISO 14001, as well as OHSAS 18001, which are
attributed to the company, keep the company in consistent effort of
being a high-class cable manufacturer. For further information on
the company, visit www.kmi.co.id.

About CTC:

Composite Technology Corporation’s patented ACCC® conductor
technology enables superior performance of high voltage
transmission and distribution electrical grids. ACCC conductors use
CTC’s proven carbon fiber core which is produced by its subsidiary,
CTC Cable Corporation, at its Irvine, California headquarters and
delivered to qualified conductor manufacturers who produce and
distribute ACCC conductors to operators of electrical grids
worldwide. CTC’s conductor technology significantly reduces thermal
line sag and can replace similar diameter and weight traditional
conductors with its higher capacity and more energy efficient ACCC
conductor. It is an ideal conductor for both upgrading existing
power lines as well as building new lines since the technology
allows for the reduction of the number of support structures and/or
a reduction of their height. Since its commercial introduction in
2005, ACCC conductor has been selected for over 10,000 kilometers
(6,214 miles) of projects in all environmental and operating
conditions, including severe heat and ice environments, long span
applications and high capacity corridors for the modern grid. ACCC®
is a registered trademark of CTC Cable Corporation.

For further information, visit our website: href="www.compositetechcorp.com/">www.compositetechcorp.com.

This press release may contain forward-looking statements, as
defined in the Securities Reform Act of 1995 (the “Reform Act”).
The safe harbor for forward-looking statements provided to
companies by the Reform Act does not apply to Composite Technology
Corporation (the “Company”). However, actual events or results may
differ from the Company’s expectations on a negative or positive
basis and are subject to a number of known and unknown risks and
uncertainties including, but not limited to, resolution of pending
and threatened litigation matters involving CTC or its
subsidiaries, resolution of disputes with CTC’s or subsidiaries’
creditors competition with larger companies, development of and
demand for a new technology, general economic conditions, the
availability of funds for capital expenditure and financing in
general by us and our customers, availability of timely financing,
cash flow, securing sufficient quantities of essential raw
materials, timely delivery by suppliers, ability to maintain
quality control, collection-related and currency risks from
international transactions, the successful outcome of joint venture
negotiations, or the Company’s ability to manage growth. Other risk
factors attributable to the Company’s business may affect the
actual results achieved by the Company, including those that are
found in the Company’s Annual Report filed with the SEC on Form
10-K for fiscal year ended September 30, 2010 and subsequent
Quarterly Reports on Form 10-Q and subsequent Current Reports filed
on Form 8-K that will be included with or prior to the filing of
the Company’s next Quarterly or Annual Report.

Investor Relations, James Carswell, +1-949-428-8500