RELATED PARTY TRANSACTIONS (Tables)

12 Months Ended

Dec. 31, 2017

RELATED PARTY TRANSACTIONS

Schedule of intercompany loans

	2017	2016
Assets
Joint venture
Gerdau Corsa SAPI de C.V.	7	48
Others
Fundação Gerdau	51,832	57,493
	51,839	57,541

	2017	2016		2015
Net financial income	95	(2,457	)	2,712

Summary of guarantees granted

Related Party	Relationship	Object	Original Amount	Maturity	2017	2016
GTL Trade Finance Inc.	Subsidiary	10-year Bond	1,744,000	Oct/17	—	2,577,296
GTL Trade Finance Inc.	Subsidiary	30-year Bond	1,118,000	Apr/44	1,654,000	1,629,550
Diaco S.A.	Joint-venture	Financing Agreements	137,700	Aug/18	128,019	397,238
Armacero-Matco S.A., Salomon Sack S.A.	Subsidiary	Financing Agreements	214,793	Dec/18	226,700	—
Gerdau Holding Inc.	Subsidiary	10-year Bond	2,188,125	Jan/20	1,711,649	1,801,389
Gerdau Trade Inc.	Subsidiary	10-year Bond	2,117,750	Jan/21	1,570,546	3,345,222
Gerdau Corsa S.A.P.I. de C.V.	Joint-venture	Financing Agreements	1,973,313	Jul/18 - Dec/21	1,797,856	2,061,260
Gerdau Summit Aços Fundidos e Forjados S.A.	Joint-venture	Financing Agreements	130,164	Aug/25	6,550	—
GTL Trade Finance Inc., Gerdau Holdings Inc.	Subsidiary	10-year Bond	2,606,346	Apr/24	3,031,974	2,987,154
Sipar Aceros S.A.	Subsidiary	Financing Agreements	436,959	Sep/18 - Sep/21	85,920	434,706
Gerdau Trade Inc.	Subsidiary	10-year Bond	1,501,275	Apr/23	1,792,291	1,832,625
Gerdau Steel India Ltd.	Subsidiary	Financing Agreements	98,359	Sep/18 - Feb/19	287,690	354,585
Gerdau Steel India Ltd.	Subsidiary	Financing Agreements	—	Indetermined	—	55,130
Comercial Gerdau Bolivia	Subsidiary	Financing Agreements	—	nov/17	—	13,036
Gerdau Açominas S.A.	Subsidiary	Financing Agreements	2,960,203	Jan/20 - Feb/21	2,158,271	2,627,205
Gerdau Ameristeel US. Inc.	Subsidiary	Bond 25 yers	103,596	Oct/37	168,708	166,214
Gerdau Ameristeel US. Inc.	Subsidiary	Bond 30 yers	46,460	May/37	76,084	74,959
Gerdau Aços Longos S.A.	Subsidiary	Financing Agreements	556,247	Oct/24 - Dec/30	282,534	318,784
Gerdau Aços Longos S.A.	Subsidiary	Financing Agreements	7,007	Dec/18	7,007	304,194
Siderurgica Zuliana, C.A.	Subsidiary	Financing Agreements	50,010	Dec/18	33,080	65,182
Gerdau Ameristeel Corporation; Gerdau Ameristeel US Inc.; Gerdau Macsteel Inc.; Comercial Gerdau Bolivia S.A.; Gerdau Aza S.A.; Gerdau Metaldom S.A.; Sipar Aceros S.A.; Gerdau Hungria Holdings LLC; Aceros Corsa S.A. de C.V.; Gerdau Corsa S.A.P.I de C.V.; Gerdau GTL México S.A. de C.V.; Sidertul S.A. de C.V.; Steelchem Trading Corporation; Empresa Siderúrgica Del Perú S.A.A.; Gerdau Hungria Y CIA, S.R.C and Gerdau Laisa S.A.	Subsidiary and Joint-venture	Financing Agreements	—	Oct/20	178,200	635,525
Gerdau Aços Especiais S.A.	Subsidiary	Financing Agreements	70,000	feb/20	—	63,000

Schedule of key management compensation

	2017
	Number of shares		Weighted exercise price
			R$
Balance as of January 1, 2015	1,564,341		19.53
Options Forfeited	(1,130,091	)	19.56
Others	112,420		—
Balance as of December 31, 2015	546,670		18.36
Options Forfeited	(148,491	)	20.49
Balance as of December 31, 2016	398,179		16.64
Options Forfeited	(217,819	)	15.11
Balance as of December 31, 2017	180,360		17.91

	2017		2016
Available at beginning of the year	4,831,999		1,669,557
Granted	1,353,930		3,399,729
Exercised	(240,619	)	(237,287	)
Forfeited			—
Available at the end of the year	5,945,310		4,831,999