NBCC IPO Basis of Allotment

National Buildings Construction Corporation Limited

(A Government of India Enterprise)

Our Company was originally incorporated as a private limited company under the Companies Act, 1956, as amended, on November 15,1960 under the name 'National Buildings Construction Corporation Limited' and was subsequently converted into a public company on May 24,2011. For further details in relation to corporate history of our Company and details of the change in the Registered Office, please see the section titled 'History and Certain Corporate Matters' on page 117of the Prospectus. Registered and Corporate Office: NBCC Bhawan, Lodhi Road, New Delhi -110003, India; Telephone: +91 11 43591555; Facsimile: +91 11 24366995.Company Secretary and Compliance Officer: Mr. A. K. Singh; Telephone: +911143591555 Ext 1202; Facsimile: +911124366995; E-mail: cs.nbcc@nic.in; Website: www.nbccindia.gov.in

BASIS OF ALLOTMENT

PUBLIC OFFER OF 12,000,000 EQUITY SHARES OF FACE VALUE OF RS 10 EACH (THE 'EQUITY SHARES') OF NATIONAL BUILDINGS CONSTRUCTION CORPORATION LIMITED ('NBCC OR 'COMPANY') THROUGH AN OFFER FOR SALE BY THE PRESIDENT OF INDIA, ACTING THROUGH THE MINISTRY OF URBAN DEVELOPMENT, GOVERNMENT OF INDIA (THE' SELLING SHAREHOLDER') FOR CASH AT A PRICE OF RS 106 PER EQUITY SHARE (INCLUDING A SHARE PREMIUM OF RS 96 PER EQUITY SHARE), AGGREGATING RS 1,249.71 MILLION* (THE 'OFFER'). THE OFFER COMPRISES A NET OFFER TO THE PUBLIC OF 11,880,000 EQUITY SHARES (THE 'NET OFFER') AND A RESERVATION OF 120,000 EQUITY SHARES FOR SUBSCRIPTION BY ELIGIBLE EMPLOYEES (THE 'EMPLOYEE RESERVATION PORTION'). THE OFFER WOULD CONSTITUTE 10% OF THE POST OFFER PAID-UP EQUITY CAPITAL OF OUR COMPANY AND THE NET OFFER WOULD CONSTITUTES.9.90% OF THE POST OFFER PAID-UP EQUITY CAPITAL OF OUR COMPANY**

*Based on actual allotment

**A Discount of 5% (equivalent to Rs 5.30) on the Offer Price is being offered to Retail Bidders ('Retail Discount') and to Eligible Employees (the 'Employee Discount'). The discounted price to the afbresaid categoriesis Rs100.70 per Equity Share.

THE FACE VALUE OF THE EQUITY SHARE IS RS 10 EACH AND THE OFFER PRICE IS 10.6 TIMES THE FACE VALUE. THE TRADING OF EQUITY SHARES OF THE COMPANY ON THE BSE AND NSE WILL COMMENCE FROM APRIL 12,2012.

This Offer was made in terms with Rule 19 (2) (c) of the Securities Contract Regulation Rules, 1957, as amended, and pursuant to Regulation 26(1) of the the Securities Exchange Board of India (Issue of Capital and Disclosure Requirements) Regulations, 2009, as amended, (the 'SEBI ICDR Regulations'), through the 100% Book Building Process, wherein not more than 50% of the Net Offer has been allocated to Qualified Institutional Buyers ('QIBs') ('QIB Portion'). Further, 5% of the QIB Portion has been allocated on a proportionate basis to Mutual Funds only. The remainder of the QIB Portion has been allocated on a proportionate basis to QIBs including Mutual Funds, subject to valid Bids being received from them at or above the Offer Price. In addition not less than 15% of the Net Offer has been allocated on a proportionate basis to Non-Institutional Bidders and not less than 35% of the Net Offer has been allocated on a proportionate basis to Retail Individual Bidders, subject to valid Bids being received at or above the Offer Price. Further 120,000 Equity Shares were reserved for allocation on a proportionate basis to Eligible Employees, subject to valid Bids being received from them at or above the Offer Price. The Offer received 21,549 applications for 59,646,300 equity shares resulting in 4.97 times subscription.

The details of the applications received in the Offer from Qualified Institutional Buyers, Non-Institutional Bidders, Retail Individual Bidders and Eligible Employees are as under (Before technical rejections, but after cheque returns):

Final Demand
A summarv of the final demand as per the BSE Limited ('BSE') and the National Stock Exchange of India Limited ('NSE') as on the Bid/Offer Closing date at different bid Dries is as under

The Basis of Allotment was finalized in consultation with the Designated Stock Exchange, being BSE on April 4,2012

A. Allotment to Eligible Employees (After Technical Rejection) (Including ASBA Applications)
The Basis of Allotment to the Eligible Employees of the Company, who have bid at Cut-off Price or at the Offer Price of Rs 106 per Equity Share was finalized in consultation with BSE. The category was subscribed to the extent of 0.07 times. The total number of shares Allotted in this category is 8,340. The under subscription in the Employee Reservation Portion was added back to the Net Offer.

B. Allotment to Retail Individual Bidders (After Technical Rejection) (Including ASBA Applications)
The Basis of Allotment to the Retail Individual Bidders, who have bid at Cut-off Price or at the Offer Price of Rs 106 per Equity Share, was finalized on a proportionate basis in consultation with BSE. This category has been subscribed to the extent of 3.14 times. The total number of Equity Shares Allotted in the Retail Individual Bidder category is 4,197,081 Equity Shares, including spill over from Eligible Employee Reservation Category to the extent of 39,081 Equity Shares, Allotted to 16,084 successful applicants. The category-wise details of the Basis of Allotment are as under:

C. Allotment to Non institutional Bidders (After Technical Rejection)
The Basis of Allotment to the Non Institutional Bidders, who have bid at the Offer Price of 7106 per Equity share was finalized in consultation with BSE. This category has been subscribed to the extent of 1.68 times. The total number of equity shares allotted in the Non Institutional bidder category is 1,798,749 Equity Shares, including spillover from Eligible Emplovee Category to the extent of 16,749 Equity Shares, Allotted to 15 successful applicants. The category wise details of the Basis of Allotment are as under:

D. Allotment to QIBs (After Technical Rejection)
Allotment to QIBs who have bid at the Offer Price of Rs106 per Equity Share has been done on a proportionate basis in consultation with BSE. This category has been subscribed to the extent of 6.66 times. As per the SEBI Regulations, Mutual Funds were initially Allotted 5% of the quantum of shares available i.e.299,792 Equity Shares including spill over from the Eligible Employee Reservation Category to the extent of 2,792 Equity Shares and other QIBs and unsatisfied demands of Mutual Funds were Allotted the remaining available shares i.e. 5,696,038 Equity Shares including spill over from the Eligible Employee Reservation Category to the extent of 53,038 Equity Shares. The total number of Equity Shares Allotted in the QIB Category is 5,995,830 Equity Shares which were Allotted to 43 successful applicants. The category-wise details of the Basis of Allotment are as under:

The IPO Committee of the Board of Directors of the Company at its meeting held at Delhi on April 7,2012 has approved the Basis of Allotment of Equity Shares of the Offer and has allotted the Equity Shares to various successful applicants.

The CAN-cum-Refund Orders and allotment advice and/or notices have been dispatched to the address of the Bidders as registered with the depositories. Further the instructions to the SCSBs have been dispatched / mailed on April 9,2012. In case the same is not received within ten days, investors may contact the Registrar at the address given below. The Refund Orders have been over-printed with the BankAccount details as registered, if any, with the depositories. The Equity Shares Allotted to successful applicants has been credited on April 10,2012 to the beneficiary accounts subject to validation of the account details with the depositories concerned.

This details of the allotment made would be hosted on the website of Registrar to the Offer, Bigshare Services Private Limited at www.bigshareonline.com

All future correspondence in this regard may kindly be addressed to the Registrar to the Offer quoting full name of the First/ Sole applicant, Serial number of the Application- cum-Bidding form, number of shares bid for, name of the Member of the Syndicate and place where the bid was submitted and payment details at the address given below:

Bigshare Services Private Limited
SEBI Registration No: INR000001385
E/2, Ansa Industrial Estate, SakiVihar Road, Sakinaka.Andheri (East), Mumbai-400072.
Tel No: +91224043 0200, Fax No: +9122 2847 5207, Website: www.bigshareonline.com, Email: nbcc.ipo@bigshareonline.com

THE LEVEL OF SUBSCRIPTION SHOULD NOT BE TAKEN TO BE INDICATIVE OF EITHER THE MARKET PRICE OF THE EQUITY SHARES ON LISTING OR THE BUSINESS PROSPECTS OF NATIONAL BUILDINGS CONSTRUCTION CORPORATION LIMITED

Note: All capitalized terms used and not defined herein shall have the respective meaning assigned to them in the Prospectus dated March 29,2012 filed with the Registrar of Companies, NCT of Delhi & Haryana ('Prospectus')

National Buildings Construction Corporation Limited proposes, subject to market conditions and other considerations, to make an initial public offer of its equity shares through an offer for sale by the Government of India and has filed a Prospectus with the RoC, SEBI and Stock Exchanges. The Prospectus is available on SEBI website at www.sebi.gov.in as well as on the websites of the Book Running Lead Managers at www.idbicapital.com and www.enam.com. Investors should note that investment in equity shares involves a high degree of risk and for details relating to the same, see the section titled 'Risk factors' of the Prospectus. The Equity Shares have not been and will not be registered, listed or otherwise qualified in any jurisdiction outside India and may not be offered or sold and Bids may not be made by persons in any such jurisdiction except in compliance with the applicable Laws of such jurisdiction. This document is not for publication or distribution in the United States, and is not an offer for sale within the United States of any Equity Shares or other securities of the Company. Securities of the Company may not be offered or sold in the United States, without registration under U.S. Securities Act of 1933, as amended, unless exempt from registration under such act. This document does not constitute or form part of any offer or invitation to sell or issue, or any solicitation of any offer to purchase or subscribe for.any equity shares, nor shall it or any part of it nor shall its distribution form the basis of, or be relied on in connection with, any contractor investment decision.