Exhibit 99.1

S:\Corporate\Logos & Standards\Glaukos Logos\Glaukos Virtual Logos\Internal Use\Glaukos Virtual Logo No Tagline 5763 Non-Metallic High Res.jpg

FOR IMMEDIATE RELEASE

Contact:

Chris Lewis

Director, Investor Relations, Corporate Strategy & Development

(949) 481-0510

clewis@glaukos.com

Glaukos Corporation Announces Second Quarter 2018 Financial Results

San Clemente, CA – August 2, 2018  –

Glaukos Corporation (NYSE: GKOS), an ophthalmic medical technology and pharmaceutical company focused on the development and commercialization of novel surgical devices and sustained pharmaceutical therapies designed to transform the treatment of glaucoma, today announced financial results for the second quarter ended June 30, 2018.  Key highlights include:

·

Achieved 5%  net sales growth to $43.2 million in the second quarter of 2018, compared to $41.3 million in the second quarter of 2017.

·

Reported gross margin of approximately 86% in the second quarter of 2018, compared to approximately 87% in the second quarter of 2017.

·

Raised 2018 net sales guidance to $162 million to $166 million, versus previous guidance of $160 million to $165 million.

·

Obtained U.S. FDA approval of the iStent inject®, and accelerated the iDoseTM Travoprost U.S. pivotal study efforts to target FDA approval in 2021-2022, one year earlier than previously targeted.

“We are very pleased with the company’s continued solid execution through the second quarter, both in the U.S. and international markets, which allowed us to raise our 2018 revenue guidance,” said Thomas Burns, Glaukos president and chief executive officer.  “In addition to achieving record quarterly revenue in the second quarter, we also accomplished a pivotal milestone with U.S. FDA approval of the iStent inject Trabecular Micro-Bypass System, our next-generation trabecular micro-bypass device. Trained surgeons have already successfully completed several initial iStent inject procedures and we are excited to commence full commercial launch activities later this month. iStent inject not only represents a compelling new treatment option for U.S. ophthalmic surgeons and their patients, but also further strengthens our leadership position in the growing Micro-Invasive Glaucoma Surgery market.”

Second Quarter 2018 Financial Results

Net sales rose 5% in the second quarter of 2018 to $43.2 million, compared to $41.3 million in the same period in 2017.

Gross margin for the second quarter of 2018 was approximately 86%,  compared to approximately 87% in the same period in 2017.

Operating expenses for the second quarter of 2018 rose 4% to $41.2 million, compared to $39.6 million in the same period in 2017, which included a $5.3 million in-process R&D charge. The year-over-year increase reflected primarily growth in domestic sales, marketing and administrative personnel and expenses, the


The following information was filed by Glaukos Corp (GKOS) on Thursday, August 2, 2018 as an 8K 2.02 statement, which is an earnings press release pertaining to results of operations and financial condition. It may be helpful to assess the quality of management by comparing the information in the press release to the information in the accompanying 10-Q Quarterly Report statement of earnings and operation as management may choose to highlight particular information in the press release.

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